PREMIUM QUALITY: Every combination lock out there is designed to be the most durable lock on the market. Combination lock adopts high-strength zinc alloy lock body, hardened steel pawl and excellent shaft design, small in size but strong and durable. They have excellent resistance to cutting and sawing. 10,000 COMBINATIONS: The 4-digit lock combination gives you 10,000 unique combinations to choose from. Its ten times harder for a thief to crack than the 3-digit number you know to be more reliable and secure. Ease of use: Its very easy to set up your own code by entering the always follow the included instructions. The numbers are easy to read and operate, so the keyless combination lock can be locked and unlocked in seconds in everyday use. Wide range of applications: Padlock combination locks are ideal for indoor and outdoor use, such as.