1. Keyless Combo Lock: 4-digit codes 10, 000 resettable combinations for increased security compared with 3-digit codes. Easy to set your password for keyless convenience. 2. Sturdy and : The lock body is made of premium zinc alloy material. The internal lock cylinder is made of solid brass, not easy to rust with longer life. 3. Lock: The hardened steel closed lock shackle better cut resistance than carbon steel, which reduces the possibility of hammering, sawing, or prying to open. 4. Safe Circular Design: The disc padlock is designed with a round shape, which minimizes shackle exposure and allows excellent cut resistance for higher security. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.