Tin Tinker and Tirpan 16-Piece Diamond Hole Saw Set, 6-50mm, Glass Drilling Tools, Saw Kit for Drilling Carbon Steel, Glass, Ceramic, Porcelain, Tile, Marble

Material --- Using high-quality alloy steel, the drilling performance is better than drilling and more accurate. 16-piece drill bit set --- Comes with 16 different sizes of drill bits, including 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 28 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm VERSATILE --- Widely used in glass, ceramics, marble and other brittle, hard materials. Durable --- The drill bit is coated with emery, Ideal for drilling precise and smooth holes in glass or other brittle, hard materials. NOTE --- By reducing the drilling speed and further water cooling, the life of the drill bits can be extended (dry drilling is strictly prohibited). Contents: 1 set of 16 diamond drill bits