American padlock model A2000 KA 80040. Model 2000 features: Unique, one-piece solid body design with locking bolt, 2-7/8" (72mm) wide, Reinforced Die Cast body, Boron Shackle, A = 3/8" (10mm), B = 1-9/32" (15mm),C = 1-23/32" (43mm), 6-pin APT2001 cylinder. Six pin tumbler cylinder for maximum security. Because the lock has no external shackle, it cannot be attacked by using standard bolt cutters. This padlock is supplied keyed alike to key number 80040. Each padlock includes two 80040 keys.