Feature:1. Made of high quality diamond material with high hardness and durability2. Strong hole opening performance, fast drilling speed, smoothly and seamless3. Adopt high‑quality brazing technology, smoothly opening without broken edges, no vibration4. Suitable for drilling holes in marble, concrete, granite, tiles, glass, etc.5. Small size, easy to carry and store, convenient to use and with good performanceSpecification:Item Type: Diamond Hole Saw Drill Bit Color: BlueMaterial: DiamondSize: Approx. 83 x 25mm / 3.3 x 1inMaximum Opening: Approx. 25mm / 1inUses: Suitable for drilling marble, concrete, granite, ceramic tiles, glass, etc.Size: Approx.25mm / 1in, 58mm / 2.3inPackage List:1 x Diamond Hole Saw Drill Bit Notice:Manual measurement, due to manual weight measurement, please allow 1‑3mm error. Thank you for your understanding.