Master Lock® Safety Padlock, Non-Rekeyable Rectangular, Alike Key, Laminated Brass Body, Key Number: A131, 3/8 in Shackle Diameter, 1 in Shackle Height, 15/16 in Shackle Width, Boron Alloy Steel Shackle, 2 in Body Width, 2 in Body Height, 1 in Body Thickness, Dual Locking Lever/4-Pin Tumbler Cylindrical Locking Mechanism, Brass, 1 Bumpers