These special short shank bits have a twin-ground, double facet tip which produces a unique central point, perfect for accurately locating holes.They stay sharper for longer and work extremely well in a cordless drill. They form part of our Quick Change System, meaning they are universal and will fit into any system including Festool's Centrotec. They are made to a very high standard, giving excellent clean cuts for long periods of use. They are ground from one piece of steel giving the bit extra strength. They are perfect for drilling wood, metal and most plastics. The 1/4” universal quick change shank is hardened to DIN3126.E6.3. Set includes 3, 4, 5, 6 and 8mm bits. Made in Austria.