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

4.6 stars out of 131 reviews
(4.6)|
131 ratings

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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4.6 out of 5 stars
stars131 ratings51 reviews
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Showing 1-3 of 51 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
Feb 1, 2025
Janice
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
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