SECO-LARM’s mechanical keypad door lock (SD-962H-8LAQ) features non-handed installation, an external and internal entry lever, 13 code buttons, more than 8,000 possible codes and easy-to-change lock codes. It is suitable for door thicknesses from 1-3/16-in. to 2-1/8-in. A tubular latchbolt is included, as well as a heavy-duty steel case. It is fully mechanical, requiring no batteries or other power sources, providing free egress from the inside and simple installation.