Material: Drill chuck converter made of high density material with good durability and high impact resistance, easy to use Advantages: Hex shank socket adapter one-hand exchange is allowed during operation and the adapter securely holds any 1/4inch hex handle Adjustable: 1/2inch square or 1/4inch hexagonal fast load adapter and can be used with power tools : extended post for easy replacement of the bit and sleeve, stable clamping for easy operation To use: Convert the air or power impact wrench into a drill or ratchet wrench into, Weight: 0.63052206932 pounds, Manufacturer: Jaywool