[Lock disc types: CS1780 open password dial] main purposes: mechanical lock body with a variety of application accessories: Mounting screws 2 Dimensions: - dial diameter ￠ 80 * thick 27mm; 200g - saucer thick diameter ￠ 95 * 10mm; 170g - long screw diameter ￠ 6 * 6mm, weight / (approx.): about 370g total installation size: ￠ 41 Installation Method: M4 screw fastening Packing: 24 / box (per customer request) Finish: bright chrome [Lock Model: ML6740 mechanical locks] main purposes: safe, ATM machines, etc. Accessories: Mounting screws 3 + 1 + key to change the code clasp 2 + Manual 1 Dimensions :( excluding tongue) long 85 * W 61 * 30mm thick weight / (approximately): 380g Installation size: 66 * 42 installation method: 3-M6 screw fastening Packing: 24 / box Surface treatment: zinc green color Features: 1, the operation time is short, simple, and similar old dial telephone, uniaxial operation, being half turn to enter a password, unlock reverse half circle. 2, passwords large, there are more than 325 million units of the actual password, and the password for the whole arrangement, you can freely choose, without restriction. 3, confidentiality, can be automatically destroyed when the unlock code, leaving no trace. Password can not be tempted. 4-digit password can be set freely, yet so casual. Section 3 password. 5, all the mechanical structure, no power, can adapt to harsh places. 6, small, almost the same with ordinary locks. 7, suitable for use in the vault doors, firearms cabinets, safes, an important place for the locking mechanism.