The  727446 Deadbolt locks and unlocks with a key on one side and a twist knob on the other.  Finished in satin nickel and designed for left or right hand doors, this deadbolt fits the two most common backsets in the U. S.  (2-3/4-inch and 2-3/8-inch).  This deadbolt is commonly used on front doors and back doors.  Use this knob on standard 1-3/8-inch and 1-3/4-inch thick doors with a cross bore 2-1/8 in dia or edge bore 1-1/16 in dia.  (1 in.  x 2-1/4 in.  radius corner faceplate).  This product is ANSI Grade-3 certified, which means this deadbolt is rated for residential security.  Designed and manufactured by , the trusted source for quality lighting, hardware, plumbing, kitchen, and bath products for every taste and budget. 
Locks and unlocks with a key on one side and twist knob on the other
Adjusts for 2-3/4-inch and 2-3/8-inch backsets
Fits standard 1-3/8-inch and 1-3/4-inch thick doors
ANSI grade 3