Features Premium Diamond Durability: Crafted from high-quality diamond material, these bits offer exceptional hardness and longevity for all your drilling needs Fast and Efficient Drilling: Experience superior hole opening performance with quick drilling speeds, ensuring smooth and seamless results for various surfaces Advanced Brazing Technology: Designed to provide clean openings without broken edges, minimizing vibration for a more controlled drilling experience Versatile Compatibility: Perfect for drilling through marble, concrete, granite, tiles, glass, and more, making these tools ideal for a wide range of projects Compact and Portable Design: Small size allows for easy storage and transport, providing convenience and efficiency for on-the-go drilling tasks Features: 1、Made of diamond material with high hardn and durability 2、Strong hole opening performance, fast drilling speed, smoothly and seaml 3、Adopt high？quality brazing technology, smoothly opening without broken edges, no vibration 4、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 performance Specification: Item Type: Diamond Hole Saw Drill Bit Material: Diamond Size: Approx. 65 ~ 8mm / 2.6 ~ 0.3in Hole Diameter: Approx. 8mm / 0.3in Uses: Suitable for drilling holes in marble, concrete, granite, ceramic tiles, glass, etc. Package List: 10 x Diamond Hole Saw Drill Bit Note: betweendiv>1. The hole opener is installed on the electric drill. Since this hole opener does not have a center positioning drill, operate carefully and pay attention to safetybetween/div>betweendiv>2. Continuously add water to cool, dry drilling is strictly prohibited, high temperature friction occurs, causing serious wear and tear and affecting the use effect.between/div> Package List 10 x Diamond Hole Saw Drill Bit