The American Lock No. A2000KA Stepped Back Hidden Shackle Padlock, Keyed Alike ? multiple locks open with the same key ? features a 2-7/8 inch (73mm) wide reinforced die-cast body to defy bolt cutters, prying and physical attack. A 6-pin tumbler, rekeyable cylinder provides superior pick resistance and tens of thousands of key changes. Use padlock with A801 or A802 high security hasps for maximum security and convenience.