uxcell Marble Glass Hardware Hole Saw w 30mm Cutting Diameter Product Name : Glass Hole Saw;Type : 30mm/1.18'' in Hole Diameter Material : Metal, Diamond Particles;Color : Silver Tone Shank Size : 25mm x 10mm/0.98'' x 0.39'' (L*D);Total Length : 56mm/2.2'' Weight : 42g Package Content : 1 x 30mm Glass Hole Saw