This 4-digit combination lock offers 10,000 combo, which means it is 10 times safer than 3-digit lock, providing 10 times more security for lockers & gates & valuables, give you a trouble-free rest by assuring all your belongings are safely packed. This waterproof padlock has super resistance to rust and corrosion thanks to the carefully zinc coated zinc alloy lock body and sturdy hardened steel shackle, the shackle affords up to 220 lbs. 4-digit luggage lock features compact size and 70g light weight design, it is convenient to store and carry.