uxcell 19mm Diameter Diamond Coated Drill Bit Tile Glass Hole Saw Product Name : Hole Saw;Material : Metal Cutting Diameter : 19mm / 0.75";Shank Size : 8 x 23mm / 0.31" x 0.9" (D * L) Total Length : 55mm / 2.2";Color : Silver Tone Weight : 30g Package Content : 1 x Hole Saw