Master Lock Padlock, Magnum Covered Laminated Steel Lock, 1-7/8 in. Wide, M115XTRILF (Pack of 3-Keyed Alike) PADLOCK APPLICATION: For indoor and outdoor use; Lock is best used for residential gates & fences, sheds, workshops & garages, storage lockers, tool boxes and more DURABLE DESIGN: Lock includes Dual Armor construction: Laminated steel core with weather resistant cover and Rust-Oleum certified protection guarantees lock body will not rust; moisture seals and covered keyway provide added weather protection MAXIMUM SECURITY: 4-pin cylinder and dual ball bearing locking mechanism provides maximum pick and pry resistance; Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel SPECIFICATIONS: 1-7/8 in. wide lock body; 5/16 in. diameter shackle with 1-1/2 in. length, 13/16 in. width; extended shackle for application flexibility INCLUDES: Three padlocks, two keys; both keys open all locks