[ZARKER XD35] 3-Digit Combination Lock Security of the dial lock : 1,000 combinations of locking mechanisms are provided to ensure safety. Most of the locks can be easily opened with an internal structure with only one security pin under the dial, but ZARKER applies 4 security pins to provide protection and security from theft. Vertically-aligned 3-digit reset : The design of a vertically-aligned 3-digit reset makes both setting and resetting with a desired combination easy, so an additional tool is not needed to change the combination. Frontal alignment dial : Vertically-aligned combination setting allows for convenient use even in a narrow space. Wide range of use: It is ideal to use for simple purposes such as school lockers, sports lockers, cabinet lockers, fences, and tool boxes. Materials : Zinc alloy and plated steel keep your belongings safe with durability.