Material: zinc alloy Scope of application: safety cabinet, wall cabinet Thickness of lock rod: 17.5 (mm) Spacing of lock rod: 22 (mm) Specification: 90x60x22mm Type: Machinery Surface treatment: chromium plating Composition: three picks for a group of password, Characteristics: the mechanical password lock is more waterproof, anti-theft, environmental protection and safety, and the use cycle is longer. It is the best guardian of your property. Mechanical combination lock advantages . The operation is simple, similar to the dialing of the old telephone. For single-axis operation, enter the password for a half turn and reverse the half circle to unlock. Short operating time. . The number of passwords can be freely set, simple and random. . Full mechanical structure, no power supply, can adapt to a variety of harsh places. . Small size, and ordinary door locks are almost the same. . It is suitable for use in the lockout mechanism of the vault door, gun cabinet, safe, and important places. Password lock instructions: Step (1) : open the safe cabinet, open the back board of the door and fully see the structural part of the password lock. Step (2) : move the lock plate to reset the password. Step (3) :turn the lock head clockwise for 3 turns or more, lock plate the gap on the connecting rod piece, and then look at the Numbers on the locks and calibration location on the lock plate scale line, to lock the first group password, and then to the 2 circles counterclockwise lock plate the gap on the connecting rod for the second group of password, and then clockwise locks, lock plate the gap and lock plate and an opening corresponding to the lock plate , for the third group password, Remember the three set password , password modification to complete at this time.