Features 1、Quick Cutting: Incisive blade together with 40mm size ensures clean cutting edge as well as high drilling speed. 2、Accurate Work: 130 degree drill tip design enables more accurate positioning, which will improve work efficiency. 3、Practical Use: Allows for wide application on concrete, brick, wall, stone, installation and so on, very useful. 4、Good Material: Adopting premium cemented carbide material with good hardness, durable with wearing and long uses. 5、Easy to Install: Comes with light weight and compact size, the convenient replacement can be quickly completed. Specification Item Type: Hole Saw Material: Cemented Carbide Colour: Silver Specifications: Approx. 40mm / 1.57in Wide Application: Widely used for cutting clean holes in concrete, brick work as well as drilling wall, stones, installing air conditioners, etc. Package List 1 x Hole Saw