Combination Locks with Single Override Control Key Padlocks Ideal for Lockers [946-10] - Set of 10 Candados de Combinacion 45 mm - 1.7/8" each combination lock opens with a unique combination but all 10 have a key allike override to open any combo lock in the series. Combination lock with manager override Key. ONE KEY OPENS ALL Combo Locks Great for Lockers, School, Gym, etc. Each Lock Has Its Unique Serial Number for Combination Safekeep. All Have a hardened steel shackle. Candado de combinacion con Llave Maestra Ideal for Schools Gyms Workplace Amusement Parks