Master Lock Magnum is the #1 choice of professionals. No-Rust Guarantee with Tremclad® Certified Protection assures that the lock body will be free of rust for the life of the product. Exceed professional grade standards for use on trucks, trailers, shed, garages, gates, job boxes and other applications. The Lifetime Guarantee provides peace of mind from a brand you can trust.
- DUAL ARMOR™ construction: laminated steel core with reinforced outer body
- Ball bearing locking for maximum pry resistance
- Rust resistant brass and stainless steel components
- Tough-Cut™ octagonal boron-carbide shackle is 50% harder than hardened steel
- Moisture seals and covered keyway for added weather protection
- 1-1/2in (38mm) Shackle clearance for more uses
- 1-7/8in (49mm) Wide body