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

4.5 stars out of 138 reviews
(4.5)|
138 ratings
Master Lock 312D Laminated Steel Padlock with Blue Weather Resistant ShellMaster Lock Covered Laminated Steel 1 9 16in 40mm Padlock with Key 1 1 16 in 27mm ShackleMaster Lock Covered Laminated Steel 1 9 16in 40 mm Padlock with Key 2in 51 mm Shackle
Pack Size:Single
Shackle Length:1.063 in

Key item features

  • Durable Construction: Features a 1-9/16in (40mm) wide laminated steel body, providing superior strength and reliability for various security needs.
  • Enhanced Protection: A blue weather-resistant thermoplastic shell offers outdoor protection against moisture, dirt, and grime, extending the padlock's lifespan.
  • Cut Resistance: The 9/32in (7mm) diameter shackle, made of hardened steel, is 1-1/16in (27mm) long, offering extra resistance to cutting and sawing attempts.
  • Pry Defense: Dual ball bearing locking mechanisms are incorporated to provide maximum resistance against prying and hammering attacks.
  • Picking Deterrent: Equipped with a 4-pin cylinder, this design helps to prevent picking, enhancing the padlock's security against manipulation.
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Columbus, 43215
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4.5 out of 5 stars
stars138 ratings54 reviews
How item rating is calculated
  1. 5 stars83% (114)
  2. 4 stars4% (5)
  3. 3 stars4% (6)
  4. 2 stars3% (4)
  5. 1 star7% (9)

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Showing 1-3 of 54 reviews

Dec 12, 2025
J
Walmart Associate
Item details
Multipack quantity: 1
Shackle length: 1.063 in
5 out of 5 stars review

Verified Purchase

Tired of Brinks and other disc locks w Minimal clearance and rust in key slot' Master lock 312 D addresses these shortcomings…. I definitely would recommend..

Helpful?5H99VN1S98DD19869927
Jan 9, 2025
AL
Item details
Shackle length: 2 in
5 out of 5 stars review

Verified Purchase

Purchased is locked because I had one for several years until it became unusable. It's a great luck for securing your toe ball from your trailer and it stands up to the elements. Hope this one last as long as the last one.

Incentivized Review
Helpful?5H99VN1S98DD19869927
Feb 1, 2025
Janice
Top Reviewer
Item details
Shackle length: 1.063 in
5 out of 5 stars review

Verified Purchase

Fantastic lock....very sturdy....works easily....the blue covering on this lock is wonderful and yes attractive...love this lock...Masterlock did a good job on developing this lock and having two keys is great!!!!! Thankyou!

Helpful?5H99VN1S98DD19869927