Feature:1. Socket Adapter: This socket adapter is a conversion accessory that turn the original 1/4in hex shape to another specification for working.2. Reliable Using: 1/4in hex shank suits for a variety of electric and pneumatic tools, and effectively prevents falling off in operation.3. Easier Working: Able to quickly install, lock and unlock your drill bit, the impact socket adapter will largely simplify the drilling.4. Great Material: Forged from premium alloy steel, the socket adapter has high hardness and good toughness, very durable for long term use.5. Stable Fixing: Comes with a compact size and a light weight as well, the impact driver extension bar is very easy to install in minutes.Specification:Item Type: Impact Socket AdapterMaterial: Alloy SteelShank Diameter: 1/4in.Package List:1 xImpact Socket Adapter