The Master Lock heavy duty outdoor padlock with key features a 1-3/4 in. (44 mm.) wide laminated steel body for maximum strength and reliability, and is surrounded by stainless steel and zinc outer components for weather resistance. Octagonal lock shackle is 5/16 in. (8 mm.) wide in diameter and is 2-1/2 in. (64 mm.) long and made of tough-cut boron-carbide, 50% harder than hardened steel, offering maximum resistance from cutting and sawing. Lock four-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering.

• • Maximum security lock is best used as a gate lock, shed lock and storage locker lock
• • Chisel resistant recessed rivets
• • Key lock is constructed with dual-armor protection
• • Reinforced body bumper for scratch resistance
• • Four-pin cylinder and dual ball bearing locking mechanism provides maximum pick and pry resistance
• • Extended shackle for application flexibility