BRSCHNITT Diamond Core Drill Bit Set - 6 8 10 20 25 32 35 43 50mm Porcelain Tile Ceramic Marble Granite

Diamond Core Drill Bit Set - BRSCHNITT Diamond Hole Saw Kit for Porcelain Tile Ceramic Marble Granite Drilling, 9pcs Diamond Drill Bits with Triangle Shank?6 8 10 20 25 32 35 43 50mm?.