The Master Lock #7640704EURD features a 40mm wide Set-Your-Own combination aluminum padlock with 110mm long hasp made of galvanized hard forged steel for strength and corrosion resistance. The set can be used indoors and is suitable for securing storage units, school, employee or sports lockers and toolboxes. The hardened steel hasp and locking eye resist cutting and sawing. The ribbed overlap disc provides extra strength and the hardened steel locking eye provides high cut resistance. The shackle of the lock with a diameter of 6 mm is made of nickel-plated steel and offers high cutting and sawing resistance. Security with a 4-dial combination provides keyless convenience. The lifetime limited warranty gives you the peace of mind from a brand you can trust.