Uxcell Diamond Coated Marble Glass Hole Saw Cutter with 50mm Diameter and 51mm Long Product Name : Glass Hole Saw;Main Material : Metal Cutting Hole Diameter : 50mm / 1.96inch;Shank Diameter : 8mm / 0.31inch Total Length : 51mm / 2inch;Color : Silver Tone Weight : 48g Package Content : 2 x Glass Hole Saw