Master #1 padlock. 1 3/4" wide laminated steel body with 5/16" diameter hardened steel shackle. 15/16" shackle clearance. 4 pin tumbler brass key cylinder. Plastic body bumpers to protect surfaces. Includes 2 keys. Keying options: KA2001, KA2002, KA2003, KA2007, KA2008, KA2018, KA2126, KA2359 or KD Keyed Different.