Product Description The first set consists of 4 combination locks. The original password is 0000. 2. The combination lock is made of stainless steel and will not rust. Small and lightweight. Weight: 100 grams per piece. 3. The 4-digit password allows you to create up to 10,000 passwords, making it more difficult to crack than the 3-digit password. The latch itself is sturdy and cannot be removed manually. 4. Ideal for most light-duty applications, such as gym, school, and employee lockers, cabinets, suitcases, trolleys, and general storage areas. Comment: 1. When setting the password, the clip should be pressed down. Otherwise, the new password will be hacked and cannot be activated. 2. Please write down the set code. 3. Before unlocking, the numbers must be aligned with the scale marks. 4. Reset the special combination and take a photo to remember the password. Specifications: Material: Zinc alloy. Black. Product weight: 150 g (each). Dimensions: 7.9 x 1.5 x 4.1 cm. Hassle-free