The Master Lock 146D Covered Aluminum Padlock with Key features a 1-9/16 in. (40mm) wide pink vinyl covered body for scratch and corrosion resistance. The 1/4 in. (6mm) diameter shackle is 7/8 in. (22mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering. The Limited Lifetime provides peace of mind from a brand you know and can trust. Indoor and outdoor padlock with key is best used as a gym lock providing basic protection and security from theft.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. Key lock is constructed with a pink vinyl-covered aluminum body for scratch and corrosion resistance, hardened steel shackle for cut resistance Four-pin cylinder and dual locking lever mechanism for pick and pry resistance 1-9/16 in. (40 mm) wide lock body; 1/4 in. (6 mm) shackle diameter, with 7/8 in. (22 mm) shackle length, 13/16 in. (21 mm) shackle width Includes one padlock, two keys (matching color key head for added convenience) The 146D padlock total height is 2.425 in, width is 1.8 in , and depth is 0.69 in