Product Description The Master Lock 131D Covered Solid Body Padlock features a 1-3/16in (30mm) wide black vinyl covered body for scratch and corrosion resistance. The 3/16in (5mm) diameter shackle is 5/8in (16mm) 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. From the Manufacturer Master Lock 131D 1-3/16"(30mm) Wide Brass Lock with Black Cover Indoor and outdoor padlock is best used as a locker lock and storage lock Key lock is constructed with a black vinyl-covered aluminum body for scratch and corrosion resistance and steel shackle for durability Four-pin cylinder and dual locking lever mechanism for pick and pry resistance 1-3/16 in. (30 mm) wide lock body; 3/16 in. (30 mm) diameter shackle with 5/8 in. (16 mm) length, 9/16 in. (14 mm) width One padlock, two keys (matching color key head for added convenience)