uxcell 2 Pcs Diamond Drill Bits 17mm 2/3" Bottle Glass Tile Granite Hole Saw Product Name : Glass Hole Saw;Main Material : Metal Cutting Hole Diameter : 17mm/ 2/3";Shank Hole Diameter : 4.3mm/ 1/6" Shank Size (Approx.) : 7.2 x 20mm/ 0.28" x 0.78" (Diameter*L);Total Length : 52mm/ 2" Color : Silver Tone;Weight : 35g Package Content : 2 x Glass Hole Saw