Kaba Simplex LD452-35-32D-41 Knob Mechanical Push Button Light Duty Door Lock

Light-duty, cost-effective cylindrical access lock Satin stainless (32D) (630) finish. 

Supports one (1) single access PIN code Pass-code can be 3-7 characters in length. 

Over 8000 possible combinations Smartly designed for wood and metal swing doors Auto-locking with latch-holdback (you can remove the latch hold-open feature easily in the field) Simple programming of your access code via keypad once lock is removed from the door Swift do-it-yourself installation with easy to follow instructions and full-scale mounting template Two 2 1/2" x 8" cover plates and two 2" gaskets supplied. Cover plates for retrofitting 2 1/8" bore (door hole) left from existing door knob or lever locks Vandal resistant 1 (one) year manufacturer's warranty Specs No Battery; fully mechanical 

Backset: 2 3/4" 

Dimensions: Exterior; 2" W x 6 1/16" H x 2 3/16" D (without cover plates/gaskets). Interior; 2" W x 6 1/16" H x 2 1/8" D (without cover plates/gaskets) Door Thickness: 1 3/8" ~ 2 1/2" Handing: Field reversible for left and right swing doors