1、Conversion Tool: These tools are mainly used to convert electric drills into impact drills, which is convenient and quick. 2、Elastic Device: The built in elastic device of the converter makes the drill bit have an impact function. 3、Steel Material: Made of excellent steel material, with high hardness and wear resistance, can be used for a long time. 4、Sufficient Parts: The kit includes converter, handle, drill, hex wrench and screws, easy to assemble and use. 5、For Drilling: These accessories are often used for drilling stone or wall, very suitable for decoration projects. 1 x Converter1 x Handle1 x Drill Bit1 x Hex Wrench2 x Screws Item Type: Electric Drill to Ipmact Drill ToolMaterial: ABS + SteelPower Supply Type: No electricityTotal Length: Approx. 255mm / 10inDrill Bit Depth: Approx. 90mm / 3.5inUses: Stone drilling, wall drilling