The Master Lock No. 9120EURT Padlock features a 20mm wide aluminium body for corrosion resistance. For indoor use, the combination padlock is best used for school lockers, gym, travel luggage, suitcase, briefcase, backpacks and more. The 3mm diameter shackle is 11mm long and made of steel, offering more strength. Pack of 2 padlocks with 2 keys included. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.