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Master Lock

Uses item details. Price when purchased online

Best seller, Master Lock 1-3/4in Laminated Steel Padlock with Key and 1-1/2in Shackle From $9.97

Best seller
Master Lock 1-3/4in Laminated Steel Padlock with Key and 1-1/2in Shackle
Sponsored
From$997

Master Lock 1-3/4in Laminated Steel Padlock with Key and 1-1/2in Shackle

4.7 out of 5 stars
4.7 out of 5 Stars. 324 reviews

Master Lock 1-9/16in (40mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2 (38mm) Shackle; 3-Pack From $7.00

Master Lock 1-9/16in (40mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2 (38mm) Shackle; 3-Pack
Sponsored
From$700

Master Lock 1-9/16in (40mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2 (38mm) Shackle; 3-Pack

4.7 out of 5 stars
4.7 out of 5 Stars. 661 reviews

Best seller, Master Lock 312D Laminated Steel Padlock with Blue Weather Resistant Shell From $12.47

Best seller
Master Lock 312D Laminated Steel Padlock with Blue Weather Resistant Shell
Sponsored
From$1247

Master Lock 312D Laminated Steel Padlock with Blue Weather Resistant Shell

4.3 out of 5 stars
4.3 out of 5 Stars. 275 reviews

Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle From $23.58

Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle
Sponsored
From$2358

Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle

4.6 out of 5 stars
4.6 out of 5 Stars. 133 reviews

Overall pick, Master Lock School Locker 3-Digit Combination Padlock, Color Variety From $5.97

Overall pick
Master Lock School Locker 3-Digit Combination Padlock, Color Variety
Available in additional 6 options
From$597

Master Lock School Locker 3-Digit Combination Padlock, Color Variety

4.5 out of 5 stars
4.5 out of 5 Stars. 1485 reviews

In 100+ people's carts, Master Lock Laminated Steel 1-9/16in (40mm) Padlock with Key, 1-1/2in (38 mm) Shackle From $7.00

In 100+ people's carts
Master Lock Laminated Steel 1-9/16in (40mm) Padlock with Key, 1-1/2in (38 mm) Shackle
Available in additional 4 options
From$700

Master Lock Laminated Steel 1-9/16in (40mm) Padlock with Key, 1-1/2in (38 mm) Shackle

4.7 out of 5 stars
4.7 out of 5 Stars. 661 reviews

Best seller, Master Lock 1-3/4in Laminated Steel Padlock with Key and 1-1/2in Shackle From $9.97

Best seller
Master Lock 1-3/4in Laminated Steel Padlock with Key and 1-1/2in Shackle
Available in additional 4 options
From$997

Master Lock 1-3/4in Laminated Steel Padlock with Key and 1-1/2in Shackle

4.7 out of 5 stars
4.7 out of 5 Stars. 324 reviews

In 100+ people's carts, Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle From $16.99

In 100+ people's carts
Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle
Available in additional 3 options
From$1699

Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle

4.8 out of 5 stars
4.8 out of 5 Stars. 109 reviews

In 50+ people's carts, Master Lock TSA Approved 3 Dial Resettable Combination Luggage Lock, Color Variety From $6.39

In 50+ people's carts
Master Lock TSA Approved 3 Dial Resettable Combination Luggage Lock, Color Variety
Available in additional 2 options
From$639

Master Lock TSA Approved 3 Dial Resettable Combination Luggage Lock, Color Variety

4.1 out of 5 stars
4.1 out of 5 Stars. 561 reviews

Best seller, Master Lock 312D Laminated Steel Padlock with Blue Weather Resistant Shell From $12.47

Best seller
Master Lock 312D Laminated Steel Padlock with Blue Weather Resistant Shell
Available in additional 3 options
From$1247

Master Lock 312D Laminated Steel Padlock with Blue Weather Resistant Shell

4.3 out of 5 stars
4.3 out of 5 Stars. 275 reviews

Master Lock 2 in Wide Resettable Combination Brass Padlock with 2-1/4in Shackle From $19.48

Master Lock 2 in Wide Resettable Combination Brass Padlock with 2-1/4in Shackle
Sponsored
From$1948

Master Lock 2 in Wide Resettable Combination Brass Padlock with 2-1/4in Shackle

4.7 out of 5 stars
4.7 out of 5 Stars. 65 reviews

Overall pick, Master Lock School Locker 3-Digit Combination Padlock, Color Variety From $5.97

Overall pick
Master Lock School Locker 3-Digit Combination Padlock, Color Variety
Sponsored
From$597

Master Lock School Locker 3-Digit Combination Padlock, Color Variety

4.5 out of 5 stars
4.5 out of 5 Stars. 1485 reviews

Master Lock Laminated Padlock with Brass Body and Blue Cover, Key Lock Type

Master Lock Laminated Padlock with Brass Body and Blue Cover, Key Lock Type

Master Lock Laminated Padlock with Brass Body and Blue Cover, Key Lock Type

4.9 out of 5 stars
4.9 out of 5 Stars. 71 reviews

Master Lock Heavy Duty Outdoor Covered Padlock with Key, 1-7/8 in, Weather-Resistant Shackle

Master Lock Heavy Duty Outdoor Covered Padlock with Key, 1-7/8 in, Weather-Resistant Shackle

Master Lock Heavy Duty Outdoor Covered Padlock with Key, 1-7/8 in, Weather-Resistant Shackle

4.8 out of 5 stars
4.8 out of 5 Stars. 111 reviews

Master Lock Covered Solid Body Padlock, 3/4in Wide, 4 pack $8.99

Master Lock Covered Solid Body Padlock, 3/4in Wide, 4 pack
current price $8.99

Master Lock Covered Solid Body Padlock, 3/4in Wide, 4 pack

4 out of 5 stars
4 out of 5 Stars. 186 reviews

Master Lock TSA Approved 3 Dial Resettable Combination Luggage Lock, Black From $9.97

Master Lock TSA Approved 3 Dial Resettable Combination Luggage Lock, Black
Available in additional 4 options
From$997

Master Lock TSA Approved 3 Dial Resettable Combination Luggage Lock, Black

4.6 out of 5 stars
4.6 out of 5 Stars. 54 reviews

Master Lock 5400D Key Lock Box - Outdoor Lockbox for House Keys, Realtor Lock Box with Resettable Combination Code, Portable Key Safe Storage for Spare Keys, Hide-A-Key Secure Box, Black $31.99 Was $39.63

Master Lock 5400D Key Lock Box - Outdoor Lockbox for House Keys, Realtor Lock Box with Resettable Combination Code, Portable Key Safe Storage for Spare Keys, Hide-A-Key Secure Box, Black
current price Now $31.99, Was $39.63

Master Lock 5400D Key Lock Box - Outdoor Lockbox for House Keys, Realtor Lock Box with Resettable Combination Code, Portable Key Safe Storage for Spare Keys, Hide-A-Key Secure Box, Black

4.6 out of 5 stars
4.6 out of 5 Stars. 235 reviews

Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle From $23.58

Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle
Available in additional 2 options
From$2358

Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle

4.6 out of 5 stars
4.6 out of 5 Stars. 133 reviews

Best seller, Master Lock 2in (51mm) Wide Set Your Own Combination Solid Body Padlock From $14.49

Best seller
Master Lock 2in (51mm) Wide Set Your Own Combination Solid Body Padlock
Available in additional 4 options
From$1449

Master Lock 2in (51mm) Wide Set Your Own Combination Solid Body Padlock

4.4 out of 5 stars
4.4 out of 5 Stars. 85 reviews

Master Lock Cable Lock, Set Your Own Combination Bike Lock, 6 ft. Long

Master Lock Cable Lock, Set Your Own Combination Bike Lock, 6 ft. Long

Master Lock Cable Lock, Set Your Own Combination Bike Lock, 6 ft. Long

4.7 out of 5 stars
4.7 out of 5 Stars. 132 reviews

Master Lock Magnum Solid Steel 2-1/2in Outdoor Padlock, Keyed, Reliable $34.75

Master Lock Magnum Solid Steel 2-1/2in Outdoor Padlock, Keyed, Reliable
Sponsored
current price $34.75

Master Lock Magnum Solid Steel 2-1/2in Outdoor Padlock, Keyed, Reliable

3.8 out of 5 stars
3.8 out of 5 Stars. 16 reviews

In 100+ people's carts, Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle From $16.99

In 100+ people's carts
Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle
Sponsored
From$1699

Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle

4.8 out of 5 stars
4.8 out of 5 Stars. 109 reviews

Master Lock 1-1/2" Solid Steel Long Shackle Padlock From $12.97

Master Lock 1-1/2" Solid Steel Long Shackle Padlock
Available in additional 4 options
From$1297

Master Lock 1-1/2" Solid Steel Long Shackle Padlock

4.5 out of 5 stars
4.5 out of 5 Stars. 19 reviews

Master Lock Universal Trailer Coupler Lock $29.99 Was $38.60

Master Lock Universal Trailer Coupler Lock
current price Now $29.99, Was $38.60

Master Lock Universal Trailer Coupler Lock

4.5 out of 5 stars
4.5 out of 5 Stars. 196 reviews

Master Lock 2 in Wide Resettable Combination Brass Padlock with 2-1/4in Shackle From $19.48

Master Lock 2 in Wide Resettable Combination Brass Padlock with 2-1/4in Shackle
Available in additional 4 options
From$1948

Master Lock 2 in Wide Resettable Combination Brass Padlock with 2-1/4in Shackle

4.7 out of 5 stars
4.7 out of 5 Stars. 65 reviews

Master Lock Magnum Heavy Duty Outdoor Padlock with Key, Laminated Steel, 1 pack $12.99

Master Lock Magnum Heavy Duty Outdoor Padlock with Key, Laminated Steel, 1 pack
current price $12.99

Master Lock Magnum Heavy Duty Outdoor Padlock with Key, Laminated Steel, 1 pack

4.2 out of 5 stars
4.2 out of 5 Stars. 5 reviews

Master Lock - Excell Laminated Steel 50mm Padlock - 38mm Shackle - Keyed Alike x 3 $98.95

Master Lock - Excell Laminated Steel 50mm Padlock - 38mm Shackle - Keyed Alike x 3
current price $98.95

Master Lock - Excell Laminated Steel 50mm Padlock - 38mm Shackle - Keyed Alike x 3

Master Lock 2in (51mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2in (38mm) Shackle; 2-Pack From $27.98

Master Lock 2in (51mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2in (38mm) Shackle; 2-Pack
Available in additional 2 options
From$2798

Master Lock 2in (51mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2in (38mm) Shackle; 2-Pack

4 out of 5 stars
4 out of 5 Stars. 4 reviews

Master Lock 140DLH Padlock, 1 Pack, Bronze/Silver $18.98

Master Lock 140DLH Padlock, 1 Pack, Bronze/Silver
current price $18.98

Master Lock 140DLH Padlock, 1 Pack, Bronze/Silver

Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle; 2-Pack From $28.61

Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle; 2-Pack
Available in additional 2 options
From$2861

Master Lock 2-3/4in (70mm) Wide Stainless Steel Discus Padlock with Shrouded Shackle; 2-Pack

5 out of 5 stars
5 out of 5 Stars. 18 reviews

Best seller, Master Lock 2in (51mm) Wide Set Your Own Combination Solid Body Padlock From $14.49

Best seller
Master Lock 2in (51mm) Wide Set Your Own Combination Solid Body Padlock
Sponsored
From$1449

Master Lock 2in (51mm) Wide Set Your Own Combination Solid Body Padlock

4.4 out of 5 stars
4.4 out of 5 Stars. 85 reviews

Master Lock 4-Digit Resettable Combination Padlock, Solid Metal Body, Nickel Plated Shackle, School Locker Security $8.61

Master Lock 4-Digit Resettable Combination Padlock, Solid Metal Body, Nickel Plated Shackle, School Locker Security
Sponsored
current price $8.61

Master Lock 4-Digit Resettable Combination Padlock, Solid Metal Body, Nickel Plated Shackle, School Locker Security

3.5 out of 5 stars
3.5 out of 5 Stars. 108 reviews

Best seller, Master Lock School Locker 3 Dial Resettable Combination Padlock

Best seller
Master Lock School Locker 3 Dial Resettable Combination Padlock

Master Lock School Locker 3 Dial Resettable Combination Padlock

4.3 out of 5 stars
4.3 out of 5 Stars. 83 reviews

Master Lock 2-3/4in (70mm) Wide Magnum Stainless Steel Discus Keyed Padlock with Shrouded Shackle, M40XKADCCSEN $26.40

Master Lock 2-3/4in (70mm) Wide Magnum Stainless Steel Discus Keyed Padlock with Shrouded Shackle, M40XKADCCSEN
current price $26.40

Master Lock 2-3/4in (70mm) Wide Magnum Stainless Steel Discus Keyed Padlock with Shrouded Shackle, M40XKADCCSEN

4.7 out of 5 stars
4.7 out of 5 Stars. 68 reviews

Master Lock Covered Aluminum 30 mm (1-3/16 in) Padlock with Key, 16mm (5/8 in) shackle, 2 pack

Master Lock Covered Aluminum 30 mm (1-3/16 in) Padlock with Key, 16mm (5/8 in) shackle, 2 pack
Available in additional 2 options

Master Lock Covered Aluminum 30 mm (1-3/16 in) Padlock with Key, 16mm (5/8 in) shackle, 2 pack

4.7 out of 5 stars
4.7 out of 5 Stars. 43 reviews

(2 pack) Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle From $47.16

(2 pack) Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle
Available in additional 3 options
From$4716

(2 pack) Master Lock 2in Zinc Outdoor Combination Padlock with 2in Shackle

Master Lock 1-9/16in (40mm) Wide Rust-Oleum® Certified Laminated Steel Pin Tumbler Padlock From $12.87

Master Lock 1-9/16in (40mm) Wide Rust-Oleum® Certified Laminated Steel Pin Tumbler Padlock
Available in additional 4 options
From$1287

Master Lock 1-9/16in (40mm) Wide Rust-Oleum® Certified Laminated Steel Pin Tumbler Padlock

4.8 out of 5 stars
4.8 out of 5 Stars. 70 reviews

Master Lock 1534D Locker Lock Set Your Own Word Combination Padlock, 1 Pack, Assorted Colors From $10.48

Master Lock 1534D Locker Lock Set Your Own Word Combination Padlock, 1 Pack, Assorted Colors
Available in additional 3 options
From$1048

Master Lock 1534D Locker Lock Set Your Own Word Combination Padlock, 1 Pack, Assorted Colors

4.7 out of 5 stars
4.7 out of 5 Stars. 6 reviews

Master Lock Laminated Steel 2in (51 mm) Padlock with Key, 1in (25 mm) Shackle

Master Lock Laminated Steel 2in (51 mm) Padlock with Key, 1in (25 mm) Shackle
Available in additional 2 options

Master Lock Laminated Steel 2in (51 mm) Padlock with Key, 1in (25 mm) Shackle

4.7 out of 5 stars
4.7 out of 5 Stars. 35 reviews

Master Lock 6-1/8in (15cm) Wide Hardened Steel U-Lock with 8in (20cm) Shackle Clearance, 8170D $18.99

Master Lock 6-1/8in (15cm) Wide Hardened Steel U-Lock with 8in (20cm) Shackle Clearance, 8170D
current price $18.99

Master Lock 6-1/8in (15cm) Wide Hardened Steel U-Lock with 8in (20cm) Shackle Clearance, 8170D

4.5 out of 5 stars
4.5 out of 5 Stars. 110 reviews

Master Lock Magnum 1-7/8in Wide Covered Laminated Steel Padlock with 1-1/2in Shackle, 4 Pack $38.44

Master Lock Magnum 1-7/8in Wide Covered Laminated Steel Padlock with 1-1/2in Shackle, 4 Pack
current price $38.44

Master Lock Magnum 1-7/8in Wide Covered Laminated Steel Padlock with 1-1/2in Shackle, 4 Pack

4.5 out of 5 stars
4.5 out of 5 Stars. 11 reviews

Master Lock 2in (51mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2in (38mm) Shackle From $14.97

Master Lock 2in (51mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2in (38mm) Shackle
Available in additional 4 options
From$1497

Master Lock 2in (51mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2in (38mm) Shackle

4.4 out of 5 stars
4.4 out of 5 Stars. 15 reviews

Master Lock 3-1/8 in. W Stainless Steel 4-Pin Cylinder Disk Padlock $41.99

Master Lock 3-1/8 in. W Stainless Steel 4-Pin Cylinder Disk Padlock
current price $41.99

Master Lock 3-1/8 in. W Stainless Steel 4-Pin Cylinder Disk Padlock

Master Lock 1500D 19 mm Shackle Length, 1-7/8 in Metal Smooth Combination Padlock 1 Pieces 1 Count $14.30

Master Lock 1500D 19 mm Shackle Length, 1-7/8 in Metal Smooth Combination Padlock 1 Pieces 1 Count
current price $14.30

Master Lock 1500D 19 mm Shackle Length, 1-7/8 in Metal Smooth Combination Padlock 1 Pieces 1 Count

4.2 out of 5 stars
4.2 out of 5 Stars. 19 reviews

Master Lock TSA Approved Keyed Luggage Locks, 4 Pack, Solid Metal Body $24.90

Master Lock TSA Approved Keyed Luggage Locks, 4 Pack, Solid Metal Body
current price $24.90

Master Lock TSA Approved Keyed Luggage Locks, 4 Pack, Solid Metal Body

4.4 out of 5 stars
4.4 out of 5 Stars. 71 reviews

Master Lock 120T Solid Brass Padlocks 3/4-inch body width 2-Pack $10.80

Master Lock 120T Solid Brass Padlocks 3/4-inch body width 2-Pack
current price $10.80

Master Lock 120T Solid Brass Padlocks 3/4-inch body width 2-Pack

3.6 out of 5 stars
3.6 out of 5 Stars. 25 reviews

Master Lock M40XT Magnum Heavy Duty Stainless Steel Discus Padlock with Key, Pack of 2 Keyed Alike Residential Use, Standard Application $41.25

Master Lock M40XT Magnum Heavy Duty Stainless Steel Discus Padlock with Key, Pack of 2 Keyed Alike  Residential Use, Standard Application
current price $41.25

Master Lock M40XT Magnum Heavy Duty Stainless Steel Discus Padlock with Key, Pack of 2 Keyed Alike Residential Use, Standard Application

5 out of 5 stars
5 out of 5 Stars. 4 reviews

Master Lock 1-3/4in Wide Laminated Steel Pin Tumbler Padlock From $13.98

Master Lock 1-3/4in Wide Laminated Steel Pin Tumbler Padlock
Available in additional 4 options
From$1398

Master Lock 1-3/4in Wide Laminated Steel Pin Tumbler Padlock

5 out of 5 stars
5 out of 5 Stars. 4 reviews

Master Lock 2-7/8 inch Combo Wall Mount Light Up Dial Lock Box with Metal Construction $23.58

Master Lock 2-7/8 inch Combo Wall Mount Light Up Dial Lock Box with Metal Construction
current price $23.58

Master Lock 2-7/8 inch Combo Wall Mount Light Up Dial Lock Box with Metal Construction

Master Lock Laminated Padlock 517D Long Shackle - Adjustable Key Lock - 2 Pack $27.70

Master Lock Laminated Padlock 517D Long Shackle - Adjustable Key Lock - 2 Pack
current price $27.70

Master Lock Laminated Padlock 517D Long Shackle - Adjustable Key Lock - 2 Pack

Highly rated by customers

FAQ

Forgot the combo—how can I open my Master Lock?

First, identify the lock type:

  • Resettable combination (set-your-own): If it’s open, you can follow the included instructions to set a new code. If it’s closed and the code is unknown, there isn’t a consumer method to retrieve the existing code.
  • Fixed-code dial (school/locker style): If it’s assigned by a facility, staff can often help.

For closed locks, consider these safe options:

  • Contact the manufacturer’s support with proof of ownership to ask about available options.
  • Consult a licensed locksmith who can verify ownership and assist.
  • If it’s on property you don’t control, involve the owner or administrator.

Avoid attempts to defeat the lock; that can damage property and pose safety risks. Results may vary by model and documentation.

Are Master Lock padlocks good for outdoor use?

Outdoor reliability depends on choosing the right build for your conditions.

  • Materials and finish: Look for weather-resistant covers, stainless or zinc components, and anti-rust coatings for rain-prone areas.
  • Shackle style: Shrouded or disc designs can reduce exposure to cutters; long shackles add reach but may reduce resistance.
  • Mechanism: Keyed locks offer familiar operation; resettable combinations add convenience when sharing access.
  • Maintenance: Occasional cleaning and a light, non-oil lock lubricant can help performance over time.

Match the lock to the application—gate, shed, storage unit, or locker—and to the hasp size. Product pages list dimensions and features so you can compare. No lock is invulnerable, but the right features can improve durability in outdoor use.

Lost the key to my Master Lock—now what?

Here are practical steps you can take:

  • Check for spares: Many locks include two keys. If you bought a multi-pack, see if another key fits.
  • Find the key code: A code is often stamped on the key head or noted on the packaging. A locksmith or the manufacturer may use that to make a replacement with proof of ownership.
  • Contact support or a locksmith: Reach out to customer support for your lock’s brand, or visit a licensed locksmith with documentation.
  • Respect property policies: If the lock is on school, gym, or workplace property, contact the administrator.

For next time, consider organizing duplicates and recording key codes securely. Key control can help balance access and security.

What is a Master Lock, exactly?

This page features a brand focused on portable security products used for everyday life.

  • Padlocks: Keyed and combination styles for lockers, gates, sheds, and storage.
  • Specialty designs: Disc or shrouded shackles that can offer added protection against cutting.
  • Luggage locks: Options compatible with security screening for travel.
  • Cables and lock boxes: Flexible cables for securing gear and portable key safes for spare keys.

If you’re deciding what you need, start with where it’s going (indoor vs. outdoor), how much clearance the shackle requires, and how you want to share access (keys vs. codes). Product pages include dimensions and features to help you compare.

Can I get several locks keyed alike?

Yes—many lock packs are offered “keyed alike,” meaning one key opens all locks in the set.

  • How to find them: Look for “keyed alike” in the title or specifications of multi-packs.
  • When it helps: Great for managing multiple gates, sheds, or storage units with a single key.
  • Trade-offs: Convenient, but if a key is lost, all locks keyed the same may be at risk. For mixed access, combine keyed-alike sets with keyed-different locks.
  • Spare keys and codes: Keep your key code and spares stored securely to simplify future replacements.

For larger quantities or specific keying requests, check product details and consider contacting the manufacturer or a locksmith for options. Availability can vary by model.