The CMT 857.503.11 is a Chamfer Router Bit. CMT Chamfer bits make polygon work easy. Cut clean, accurate bevels and chamfers to make perfectly aligned multi-sided containers, boxes and other decorative projects. See illustration below for examples. Can be used to work larger scale projects such as beams and columns with excellent results. Features: * 1/2-Inch Shank * 1-Inch Cutting Diameter * 7/8-Inch Cutting Length * 15 Degree Cutting Angle What"s In the Box: * CMT 857.503.11 Chamfer Router Bit