Details: BEST 9KQ Wireless Cylindrical Lock With STANLEY Wi-Q Technology

Materials: Internal parts are brass, zinc, or corrosion-treated steel
Chassis: 2 1/16" (52mm) diameter to fit 2 1/8" (53mm) diameter hole in door
Strike: Brass, bronze, or stainless steel base material; STK 2 ¾" (69mm) H standard, STK3 4 7/8" (123mm) H. Fits standard door frame cut out as specified in ANSI A115.1. Strike box supplied as standard
Backset: 2 3/4" (69mm) standard, 3 3/4" (95mm) and 5" (127mm) available
Door thickness: Standard lock configuration designed for doors 1 3/4" (44mm) — 2 1/4" (57mm) thick
Core housing: 7-pin core
Latchbolt: 9/16" (24mm)
Lever handle: Manufactured from high quality zinc alloy, coated to match specified finish. Body is approximately 1 5/8" (41mm) in diameter; handle is approximately 4 3/4" (120mm) in length (from center of chassis). Lever styles 14 and 15 return to a minimum of 1/2" (12mm) of door surface. Lever 16 does not return
Escutcheons: 10 1/2" (267mm) H × 3 5/16" (84mm) W × 1" (25mm) D (1" (25mm) at the top, sloping down to 3/4" (19mm) at the bottom)