Features 1、Hole Drill Bit: This hole saw is made of cemented carbide, and the teeth are not easy to break during hard work. 2、Ideal Cutting: Smooth cutting with high accuracy ensures high efficiency and excellent cutting effect as well. 3、Practical Use: Allows for application of working on stainless steel, aluminium alloy, casting, FRP, wood, etc. 4、Broad Utility: Suitable for installed on drill press, bench drill or other electric drills to use, very useful. 5、Easy to Install: Combining light weight with small size, the installation is very simple with a L shape wrench. Specification Item Type: How Saw Material: Cemented Carbide Function: Hole Opener Applicable Drilling Materials: For stainless steel, aluminium alloy, casting, structural steel, iron, copper and other hard alloys. Package List 1 x How Saw 1 x L Shaped Wrench