Material: Drill chuck converter made of high density material with good durability and high impact resistance, easy to Adjustable: 1/2inch or 1/4inch hexagonal fast load adapter and can be used with : extended post for easy replacement of the bit and sleeve, stable clamping for easy operation Advantages: Hex socket adapter one-hand exchange is allowed during operation and the adapter securely holds any 1/4inch hex handle To : Convert the or impact wrench into a drill or ratchet wrench into Type: 1/2-Inch Drive to 1/4-Inch Hex Suitable Bit: 1/4 inch Hex colour:Black Material:steel size:Length: 50mm, Rear diameter: 12.5mm, Front diameter: 6.35mm Package Contents: 4 x Hex Converter Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.