2PCS 1/4 6mm Shank Joint Tongue and Groove Router Bits Set Tenon 2 Flutes
Shank: 1/4"(6.35mm or 6mm. 6mm-100mm Diamond Hole Saw Cutter Drill Bit Set for Tile Glass Ceramic Marble. High Speed Steel Body. Cutting sharp, smooth rotation, brisk operation. Clean and neat surface without glitches. ).