The Master Lock 121T Covered Solid Body Padlocks feature a 3/4"(19mm) wide black vinyl covered body for scratch and corrosion resistance. The 5/32" (4mm) diameter shackle is 7/16"(11mm) long and made of steel, offering resistance to cutting and sawing. Features 3-pin cylinder, matching colored key head for added convenience. Keyed alike - same key opens both locks. Sold in Package of 2.