, Designed For The Installation Of Cabinet Doors, Allows For Accurate Hinge Positioning, Repeatable Results With BuiltIn Measuring Scales, Reliable Drilling With Bit Guide Stop Collar, Simple To Use With Any Drill No Special Tools Needed, Adjustable Cams Ensure Proper Hinge Offset, Strong, Lightweight Materials For Easy Handling, Durable CarbideTipped Drill Bit Included For Convenience