Fully hardened Titanium coated high carbon steel tri-point bit. Precision ground point and shoulders for a superior clean cut and reduced splintering. Sizes: 10, 16, 20, 22, 25 and 32mm. For drilling softwood, medium hardwood, particle board, plasterboard, plastics and fibreglass. Hex shank for quick change, for use with drills, drivers and hand braces.