uxcell&reg; Silver Tone Glass Diamond Tipped Drill Hole Saw 50mm UXCELL (U excel !) is the sole authorized Seller of uxcell products Product Name : Glass Hole Saw;Material : Metal, Diamond Particles;Color : Silver Tone Hole Diameter : 50mm;Shank Size : 24mm x 10mm/ 0.94'' x 0.39'' (L*D);Total Length : 54mm/2.1'' Weight : 83g Package Content : 1 x 50mm Glass Hole Saw