The Clarke CHT704 6 Piece Glass Drill Bit Set features 6 robust carbon steel and tungsten carbide bits ranging from 3mm to 10mm that are manufactured specifically to be used for a variety of drilling applications involving glass ceramic tiles and mirrors- Robust carbon steel drill bits with tungsten carbide bit heads- Drill bit sizes - mm : 3 4 5 6 8 and 10- Handy metal casePTDCLA1801704
