ITEM NAME:8mm Shank Finger Joint Glue Router Bit Carbide Woodwork Cutter Tool Fishtail Description: - All heat-treated blade, high concentricity, resist torsion and strong. - High-grade car.8mm shank, common dovetail bit sizes and angles needed for most dovetail projects. - Shank Width: Approx. - All heat-treated blade, high concentricity, resist torsion and strong. - Length: Approx.