ABRAFOX Combination Lock Heavy Duty Set Your Own Padlock for School, Employee, Gym & Sports Locker, Case, three-number dialing and 1,500 combinations for maximum security Use on lockers, bikes,school and sports bags. Durable metal construction for greater strength Lock combination automatically scrambles upon lock closure for extra security. All ABRAFOX Lock combination locks are individually tested for strength and durability, and each offers a limited lifetime guarantee.