uxcell 4 Pcs Diamond Coated Tip Marble Tile 6mm Hole Saw Product Name : Hole Saw;Material : Metal & Diamond Particles Hole Diameter : 6mm / 0.23";Shank Diameter : 5mm / 0.19" Total Length (Each) : 54mm / 2.12";Color : Silver Tone Total Weight : 15.2g Package Content : 4 Pcs x 6mm Hole Saw