38mm Dia Diamond Coated Ceramic Tile Glass Hole Saw Drilling Tool 2pcs Product Name : Diamond Glass Hole Saw;Hole Saw Diameter : 38mm / 1.5" Shank Size : 8 x 20mm(D*L);SideHoles Dia : 4mm/ 0.16" Total Length : 53mm / 2";Color : Silver Tone Material : Metal, Diamond Coated;Weight : 100g Package Content : 2 x Diamond Glass Hole Saw