As a saw set diamond drill bit large hole for ceramic glass Feature:1. Reliable Drilling: The adjustable suction cup guide drill fits all sizes of cutters, so you don't have to worry about scratches.2. Diamond drill bit: through exquisite workmanship, the drill bit is durable and wear-resistant, it is not easy to have tilting speed.3. Triangular shank: The triangular shank can hold the drill firmly and prevent slippage, ensuring high stability and working efficiency.4. Through hole: the large translucent hole will facilitate the entry of water and the escape of chips and other particles, easy and practical.5. Wide Application: Allows flexible application on various materials such as glass, tiles, marble, ceramic, wood and other materials. Specification:Item Type: Diamond Drill BitMaterial: ABS + Carbon SteelFunction: Diamond Drill Bit Cutter Drill Diameter: Approx. 6mm/0.2 inch, 8mm/0.3 Inch, 10mm/0.4 Inch, 12mm/0.5 Inch, 20mm/0.8 Inch, 25mm/1 Inch, 30mm/1.2 Inch, 35mm/1.4 Inch, 40mm/1.6 Inch, 50mm/2 InchTriangular Drill Shank Size: Approx. 8mm/0.3 inch, 6mm/0.2 inch, 5mm/0.2 inchScrewdriver Length: Approx. 12.6cm/5in Packing List:1 x Hold Saw Guide Clamp10 x Drill Bit4 x Triangular Drill Bit1 x Screwdriver1 x User ManualNote:When the diamond bit is working, please keep adding water to reduce the drilling speed and pressure, which greatly prolongs the life of the bit. 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.