uxcell Diamond Coated Tip Marble Tile 23mm Hole Saw Drilling 55mm Long Product Name : Marble Hole Saw;Drilling Diameter : 23mm / 0.9" Shank Size : 25mm x 8mm / 1" x 0.31" (L*Dia);Total Length (Each) : 55mm / 2.2" Material : Metal, Diamond Particles;Color : Silver Tone Total Weight : 30g Package Content : 1 x Marble Hole Saws