Our cabinet lock drill guide includes important features such as: rubber lined jaws to protect cabinet doors and give greater holding power.  Four sizes of drill bushings for versatility and an adjustable stop for repeat installations on the same type of cabinet door.  Will work on doors up to 1-1/2" thick and can locate the cylinder hole up to 2-3/16" from the edge of the door.  Drill bushings include:  3/4", 7/8" 1 1/8" and 1 1/4".  These bushings are designed to be used with clean cutting Forstner-type drill bits and are not compatable with hole saws, paddle or spade type bits.