Specification: 1.ST0003-C Ti Cross Type,Carbide Tipped Bit 2.for Stone,Tile,Glass,Metal,Wood 3.6pcs/set, ... /25 5.3/8",1/2",5/8",3/4",7/8",1"We have the following workshops: 1. Workshop 1 ... , Germany, the USA and Australia Ti Cross Type Carbide Tipped drill Bit 6pcs/set,10/12/16/18/22/25