uxcell 2pcs Diamond Drill Bits 15mm 19/32" Bottle Glass Tile Granite Hole Saw UXCELL (U excel !) is the sole authorized Seller of uxcell products Product Name : Glass Hole Saw;Main Material : Metal Cutting Hole Diameter : 15mm/ 19/32";Shank Hole Diameter : 4.3mm/ 1/6" Shank Size (Approx.) : 6.5 x 20mm/ 0.25" x 0.78" (Diameter*L);Total Length : 52mm/ 2" Color : Silver Tone;Weight : 25g;Package Content : 2 x Glass Hole Saw