SKU: master lock 1653
MPN: 1653
Features the new button-less combination change process technology, along with a new stylish octagonal dial. With the new technology, the combination is changed with just your control key, from the outside of the locker. These locks boast the longest fully retractable bolt and a springbolt action for convenient, automatic locking. Standard key control used for combination changes and allows quick supervisory access. Customization options are available along with ADA compliant models. Longer useful life with 5 different pre-set combinations. Secure, easy to dial 3-digit combination. End user registration and control charts provided to secure and simplify administration. Extension kit available for doors with a thickness of 17mm to 19mm.