High Security- 4 dial combination lock for keyless convenience, provides an extra level of security with 10,000 combinations, 10 times more secure than a 3-digit combination lock. You can set the password you want to ensure security. Durable Material - This gym lock is made of zinc alloy and hardened steel, which has resistance characteristics to rust, water and cut. And it is difficult to crack, which cannot be removed by human force. Easy to Use- Setting or resetting your own combination of this security padlock is easy to use following the included instruction manual. Large numbers make it clear and easier to use. Elegant Design - Combination Padlocks have a simple design with a classic look, beautiful shape and excellent craftsmanship. A larger lock ring makes the padlock suitable for more occasions, such as gate locks, fence locks, garage locks and bicycle locks. Widely Used Intimate Service- the Lock is suitable for gym lockers, hasp cabinets, school lockers, cabinets, tool boxes, hasps, garages, fences, etc.