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