The CMT 806.191.11 Super-Duty Flush Trim Bit is a new super-duty bits represent the finest of the extensive line of CMT Flush Trim bits with ball bearing guides. Negative shear angle cutting edge and 3/4" cutting diameter set CMT Flush Trim bits apart from standard bits. Work quickly and safely to get a superior finish with absolutely minimal chipping. See page 9 for The Sommerfeld Cabinetmaking Set Features: * 3/4-Inch Cutting Diameter * 1-Inch Cutting Length * 1/4-Inch Shank legnth What"s In the Box: * CMT 806.191.11 Super-Duty Flush Trim Bit