Master Lock® Safety Padlock, Commercial Grade Non-Rekeyable Rectangular, Alike Key, Laminated Steel Body, Key Number: #1, 5/16 in Shackle Dia, 15/16 in Shackle Height, 3/4 in Shackle Width, Steel Shackle, 1-3/4 in Body Width, 1-5/16 in Body Height, 7/8 in Body Thickness, 4-Pin Tumbler Cylindrical/Dual Ball Bearing, 2 Bumpers