Features Smart Cutting: Equipped with a sharp blade, 55mm hole cutter can achieve high speed and high efficiency. Hole saws have better hole opening efficiency. Exquisite Workmanship: After high-frequency welding, the seamless precision joint ensures stable drilling, the welding opening is very firm, the inner and outer welding ports are smooth, and the meshing is precise and beautiful. Versatile Uses: This cement brick hammer drill is widely used to cut clean holes in concrete, brickwork, drilling walls, stones, air conditioning units, etc. Very simple and practical. High Quality Material: Made of high quality carbide material, high hardness and durable. Years of use in the harshest conditions without compromise. Easy Installation: Small size, light weight, the overall installation is very convenient. It is easier to remove waste when opening the hole, the operation is smoother, and the opening effect is better. Specification: Item Type: Concrete Hole Saw Material: Cemented Carbide Colour: Silver Specifications: 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