DeWalt DT50050-QZ Impact Titanium Metal Drill Bit x10 Pc Set These impact rated, solid core Titanium coated drill bits feature a pilot point for easy starting, and the 1/4\" hex shank makes them perfect for use in an impact driver as well as a standard drill chuck. They are suitable for drilling through wood and metals. This 11 Piece Metal Drill Bit Set contains the following sizes:  3.0mm 3.2mm 3.5mm 4.0mm 4.5mm 5.0mm 6.0mm 8.0mm 10.0mm 12.0mm FEATURES Impact rated for use in impact drivers Pilot point tip keeps the bit straight and prevents tip walking Full DeWALT Guarantee These impact ready titanium metal drill bits feature twice the standard life and resistance to breaking They have a one-piece solid design with titanium coating for extra durability Tip walking is prevented thanks to the pilot point on the drill bit Titanium coating for longer life 1/4\" hex shank, suitable for impact drills SPECIFICATION Shank Size: 1/4\" Collet Pack Quantity: 10 Pcs Bit Type: Metal (HSS) Accessory Fitting Style: Hex Length: 71.5 - 95 mm Working Length: 40 - 63.5 mm Weight: 1kg