uxcell 40mm Diameter Silver Tone Hole Saw Cutter for Glass Ceramic Tile Product Name : Hole Saw;Material : Metal Cutting Diameter : 40mm / 1.6";Shank Size : 10 x 25mm / 0.4" x 1.0" (D * L) Side Hole Dia : 4mm/ 0.16";Total Length : 55mm / 2.2" Color : Silver Tone;Weight : 55g Package Content : 1 x Hole Saw