PREMUIMAL QUALITY: Every ZHEGE number padlock Auen is designed to be the most durable lock on the market. With a high-strength zinc alloy body, a hardened steel shackle and an excellent shaft design, the combination lock is small but robust. They are extremely resistant to cutting and sawing. 10,000 COMBINATIONS: The 4-digit lock number code offers you 10,000 unique combinations to choose from. Its 10 times harder for the thief to crack than a 3-digit number that you know is more reliable and secure. EASY TO USE: It is very easy to set your own code by following the instructions that are always included. The numbers are easy to read and maneuver so that the keyless combination lock can be locked and unlocked in seconds in daily use. WIDE APPLICATION: The padlock combination lock is perfect for indoor and outdoor use, such as lockers in gyms, school and employee lockers, cupboards, pantries, tool boxes, gates and locks, garages, sheds, fences and general storage rooms. 2 YEAR GUARANTEE: Your purchase is backed by a 60-day money-back guarantee, a 2-year guarantee and lifetime technical support. If you have a problem with our number lock, please do not hesitate to contact us immediately.