Trend CR/QR/CS/SET CraftPro Quick Release Countersink x5 Pc Set The Trend CR/QR/CS/SET CraftPro Quick Release x5 Pc Countersink Set can be used to counter bore deeper holes for plugs in timber, fibre-board and chipboard. FEATURES Tool Steel (WS) body with High Speed Steel (HSS) drill bit for longer life Countersink ensures screw head is sub-flush and neat Case hardened body for longer life Adjustable drill bit to suit material thickness Use in quick chucks and impact drivers SPECIFICATION Shank Diameter: 1/4\" Hex Softwood: No.6 to No.12 Hardwood: No.4 to No.10 Drill Diameter: 2 mm to 3.5 mm Countersink Diameter: 9.5 mm & 12.7 mm