Features • High Performance Cutting: Achieve neat and smooth openings without broken edges, drilling deep holes effortlessly and efficiently without the need for water • Secure M14 Female Thread: Designed with an M14 screw for a firm grip, ensuring high torque and stability while working on marble, glass, and ceramic tile • Convenient Portable Case: All accessories are housed in a durable aluminum box, protecting them from corrosion while maintaining a sleek, professional appearance • Enhanced Wear Resistance: Features a thickened emery coating that is uniformly applied, significantly extending the service life of the hole opener for long-term use • Superior Diamond Blade: Crafted from high-quality diamond, this cutting blade outperforms traditional carbide or bi-metal options, delivering greater efficiency and precision Features: 1、Smart Cutting: Comes with incisive blade, the hole cutter with 55mm specification enables high speed and efficiency. 2、Fine Crafting: Having been through high frequency welding, the seaml and accurate joint ensures stable drilling. 3、Extensive Use: Widely applied to hole cutting on concrete, brick, wall, stone and so on, very simple and practical. 4、Good Material: The utilization of premium cemented carbide material with good hardn allows for great durability. 5、Easy to Install: Designed to have compact size and light weight as well, the whole installation is very convenient. Specification: Item Type: Concrete Hole Saw Material: Cemented Carbide Colour: Silver Specification: Approx. 55mm / 2.17in Application: Widely used for cutting clean holes in concrete, brick, drilling wall, stones, installing air conditioners, etc. Package List: 1 x Concrete Hole Saw Package List 1 x Concrete Hole Saw