General description The Starrett KD06041 Diamond Tile Drill Bit Set is perfect for drilling small-diameter holes in various non-metallic materials. The diamond-tipped edge features a uniform coating of synthetic diamond grit bonded to a durable steel platform, ensuring exceptional performance at high speeds and effective cutting action on materials such as brick, non-hardened glass, ceramic, tiles, and stone. This set consistently delivers clean, accurate cuts and offers an extended product life well beyond conventional tools. Supplied in a handy carry case. Technical specifications Contains: 6 x Diamond Tile Drill Bits Sizes: 5mm (3/16in), 6mm (15/64in), 6.5mm (1/4in), 8mm (5/16in), 10mm (3/8in), 12mm (1/2in) 1 x WCD01 Water Coolant Dispenser 1 x DG01 Diamond Tile Drill Guide (V shape)