The Master Lock Magnum® Laminated Padlocks feature a 1-3/4in (44mm) wide laminated steel body for maximum strength and reliability, and is surrounded by stainless steel and zinc outer components for weather resistance. The 5/16in (8mm) diameter octagonal shackle is made of Tough-Cut™ boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering. The Lifetime Guarantee provides peace of mind from a brand you can trust.
Product Details
- Outdoor Storage & Fences
- Self-Storage Units & Lockers
- Tools, Job Boxes & Gang Boxes

YOUR REPUTATION IS OUR REPUTATION.
LEGACY
As the authority in locks and safes for over a century, why would you choose anything else?
RESILIENCE
We build and test our products to meet the highest standards for strength and durability — because you won’t stand for anything less.
INNOVATION
We don’t innovate for the sake of innovation. Every enhancement ensures our products are more secure, easier to use and simply better than the rest.


