Item Information HIGH SECURITY: The combination lock offers 10,000 combinations with all wheels securely attached, making decoding impossible. The 7mm thick hardened steel shackle and high strength zinc alloy body provide high resistance to cutting and sawing. 12mm of the shackle locks into the lock body during use. This is a strong and sturdy long shackle combination padlock. EASY TO SET: The combination locker allows you to set your own code simply by flipping a "SET" switch at the bottom and in back. The 4-digit wheels are exposed front and rear, making cornering a lot easier, even with gloves on. Each wheel is designed to engage precisely when aligned. EASY TO READ - Unlike lock numbers with shiny chrome dials, these locks feature high contrast white numbers on a white background. white black that are readable even under difficult conditions. Illuminated places are very easy to recognize. It is very friendly for the elderly and people who need reading glasses. ACCIDENTAL SETTING: Most of the locks on the market have the reset mechanism facing outward. Accidental code setting can occur accidentally while dialing or being carried in a pocket. Therefore, in 2021, ZHEGE put a black cover to protect the reset button. Never worry about unknown code changes again. APPLICATION: Shackle measures 57mm when closed. The long shackle provides more wiggle room, making it easier to thread longer/thicker shackles or chains. The combination lock is for most household uses on door latches, tool boxes, cabinets, cupboards, etc. And it's also a good choice for gym lockers, school lockers, work lockers, anywhere you need storage and security, etc. p>