Roman Carbide DC1837 Router Bit Set, 1/4-Inch Shank, 12-Piece 1/4-Inch Shank diameter 1/4-Inch straight; 1/2-Inch cove; 1/2-Inch straight 1/2-Inch 90 Degree v-groove; 3/4-Inch straight; 45 Degree chamfer 1/2-Inch 8 degrees dovetail; 1/2-Inch flush trim; 1/2-Inch radius roundover 11/32-Inch combination panel; 1/2-Inch rabbeting; 1/2-Inch roman ogee