Dewalt DW1956 16-Piece Pilot Point Drill Bit SetPilot point tip starts holes on contact to eliminate bit walking. Drills faster than standard bits. Patented recessed cutting wings drill clean, round holes without burrs. Shank features three machined flat surfaces to eliminate chuck spinning. Tapered web provides greater durability to reduce breaking. Permanent size markings. Includes heavy-duty plastic case. 1/16 to 1/2" sizes.No walking, no spinning, no breakingNumber of Pieces:16Shank Type:No-Spin