found at Toolmart
Features Coarse screw point starts quickly in dry, wet & gummy wood Cutting spurs reduce splintering to ensure a smooth clean hole Four cutting surfaces — up to 10 times faster than standard spade bits 1/4 hex shank suits Power-Hex® quick change adaptors and standard chucks Fully heat treated for increased durability Includes 1x 2673-16 16mm Quad Max Cutter 1x 2673-20 20mm Quad Max Cutter 1x 2673-22 22mm Quad Max Cutter 1x 2673-25 25mm Quad Max Cutter 1x 2673-32 32mm Quad Max Cutter