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

101 ratings

Key item features

  • Hardened Steel Body: The Master Lock 8170D U-Lock features a 6-1/8in (15cm) wide hardened steel body for maximum strength and reliability.
  • Double Locking Shackle: The 1/2in (13mm) diameter double locking shackle is 8in (20cm) long and made of hardened steel, offering extra resistance to prying, cutting, and sawing.
  • Protective Vinyl Coating: A protective vinyl coating helps prevent scratching, ensuring the lock remains in good condition.
  • Disc Key Cylinder: The integrated disc keyed locking mechanism provides maximum pick resistance, enhancing security.
  • Easy Transportation: A carrier bracket is included for convenient and easy transportation of the lock.
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Customer ratings & reviews

4.5 out of 5 stars
stars
101 ratings38 reviews
How item rating is calculated
  1. 5 stars74% (75)
  2. 4 stars17% (17)
  3. 3 stars3% (3)
  4. 2 stars1% (1)
  5. 1 star5% (5)

Reviews summary

Pros

  • : Has an intuitive design that is easy to navigate.
  • : Made to last with a solid build.
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Showing 1-3 of 38 reviews

Aug 22, 2026
Reviewer name: Irving
Item details
Size: CD
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Really impressed. Solid.Heavy Duty.

very heavy duty lock. Gets great reviews. This U Lock my Kryptonite Chain will protect my investment. Coated with soft material so will not scratch my bike.

Helpful?2VRX16U4N41V21803267
May 22, 2025
Reviewer name: William
Top Reviewer
Item details
Size: CD
Sold byShopjosephsllc
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Awesome-Perfect

It was exactly what I ordered and needed. I am very satisfied with the Bike Lock.

Incentivized Review
Helpful?2VRX16U4N41V21803267
Sep 8, 2025
Reviewer name: James
Top Reviewer
Item details
Size: CD
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Strong and versatile

Helpful?2VRX16U4N41V21803267
Current price is $18.99
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