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