The lock beam is made of steel material, and with a zinc alloy shell, which is cut-resistant and weatherproof. Adds the sturdiness and durability of this padlock. The 4-dials combination lock provides 100,000 combinations. You can set the password you like. The digit code of this padlock adopts an angular dial, which avoids the difficulty of turning the number due to slippage during use, and improves the unlocking efficiency. Setting the password of this safety padlock is easy to operate following the instruction manual that are included. Large numbers make it clear and more easy to use. 7.3 inch long shackle that is siutable for gym lockers, hasp cabinet, school lockers, canbinets,toolboxes, gate hasps, garages, fences. It is more convenient to use, more locked things.