Freud Router Bit Set 98 307 3 Piece French Door Roundover (1 2 Inch Shank TiCo Carbide Perma SHIELD Divided Lite Architectural Joinery Tool) DeWalt Grinding Wheels & Cups Each bit features a split point Each bit features a split point tip for no skate starts and accurate hole placement With a 2 7 16" diameter and 3" cutting depth Heavy Duty 1 2 Inch Shanks: High tensile steel shanks eliminate rotational vibration and bit deflection in high horsepower table mounted router setups Custom Interior Glass Passage Doors: Shaping classical Roundover stile and rail profiles on 1 3 8 inch interior doors for historical residential renovations