The Lenox Diamond Hole Piece is an exceptional hole SAW that is ideal for industrial and scientific use .Using this product our team found that it was incredibly easy to use and produced clean and precise cuts every time. The diamond-tipped cutting edge is simply impressive and makes cutting through various materials such as ceramic, glass, and granite a breeze. Although the price may be slightly higher than other hole saws, the quality and durability of the Lenox Diamond Hole Piece more than make up for it. Overall, a must-have cutting tool for professionals..