Puroma 2 Pack Combination Lock 4 Digit Padlock for School Gym Locker,Sports Locker,Fence,Toolbox,Case,Hasp Storage(Black) Sturdy Construction - Durable structure of zinc alloy and plated steel.Better keep your own belongings. Good Security - 10000 combination codes formed by 4 digit numbers make it safe enough for light duty use. Keyless lock - Hassle free when you left the key at home or elsewhere. Small But Useful - Compactly designed.Suitable for school gym locker,sports locker,fence,toolbox,case,hasp storage. Warranty - Backed by Puroma one year warranty of refund or replacement.