Operated by key outside and thumbturn inside DOOR PREP: 2-1/8 or 1-1/2 Crossbore; 1 Edge Bore; 1 x 2-1/4 Latch Face DOOR THICKNESS: 1-3/8 to 1-3/4 standard 1-7/8 to 2-1/4 optional CYLINDER: 5 pin SmartKey cylinder FACEPLATE: 1 x 2-1/4 STRIKE: 1-1/4 x 3-5/8 BOLT: 1 throw, stainless steel HANDING: Reversible for right or left hand doors ANSI/BHMA: Grade 2 ADA: Interior turn piece meets 4.13.9 ADA requirements Deadbolts with SmartKey (denoted SMT) feature allow, in 3 steps, locks to be re-keyed to a spare set of keys When the spare keys are done being used, the lock can be re-keyed back to the original set of keys; can continually be re-keyed. 3.7 Ounce