uxcell Silver Tone Diamond Coated Tip Marble Tile 38mm Hole Saw Drilling 2 Pcs Product Name : Marble Hole Saw;Drilling Diameter : 38mm / 1.5" Shank Size : 17mm x 8mm / 0.67" x 0.31" (L*Dia);Total Length (Each) : 48mm / 1.89" Material : Metal, Diamond Particles;Color : Silver Tone Total Weight : 70g Package Content : 2 x Marble Hole Saws