Features • Large Torsion Stability: High bearing calendar design prevents slipping, ensuring stable and secure drilling for precise results every time • Rugged Handle Durability: Built to resist breakage, these drill bits enhance work efficiency, delivering high-quality, glossy cuts without curling • Fast and Efficient Drilling: Achieve maximum drilling effects with quick, clean holes that maintain a perfect round diameter and prevent nicks • Labor Saving Design: Enhanced cut-out size reduces resistance during drilling, making the process easier and less strenuous on your hands • Versatile Applicability: Ideal for removing rings on glass, marble, ceramic tiles, and PVC, making it a perfect addition to your drilling toolkit Features: 1、Large Torsion: The bearing calendar is high, effectively preventing slipping and clamping more stable 2、Rugged and : Not easy to break the handle, improve work efficiency, achieve high and glossy cutting, without curling. 3、Fast: The drilling speed is fast, the hole diameter is round and there is no nick, and the maximum drilling effect is achieved. 4、Labor Saving: The design of the cut out is larger, which reduces the resistance when opening the hole. 5、Applicability: This diamond hole saw bit can be used to remove rings on glass, marble, ceramic tiles, ceramics, PVC or other materials. Specification: Item Type: Diamond Drill Bits Material: Diamond Specification: Approx. m / 0.12in, 4mm / 0.16in, 5mm / 0.2in, 6mm / 0.24in, 8mm / 0.3in, 10mm / 0.39in, 12mm / 0.47in, 18mm / 0.71in, 32mm / 1.26in, 50mm / 1.97in Package List: 10 x Hole Opener Package List 10 x Hole Opener