Material: Drill chuck converter made of high-density material with good durability and high impact resistance, easy to use. Adjustable: 1/2 inch square or 1/4 inch hexagonal quick-load adapter, compatible with various tools. Innovation: Extended post allows for easy bit and sleeve replacement, with stable clamping for smooth operation. Advantages: Features one-handed hex bit exchange during operation; the adapter securely holds any 1/4 inch hex shank. To use: Converts a 1/2-inch drive impact wrench into a drill or ratchet, converting to 1/4-inch hex. Type: 1/2-Inch Drive to 1/4-Inch Hex. Suitable Bit: 1/4 inch Hex. Color: Black. Material: Steel. Size: Length: 50mm, Rear Diameter: 12.5mm, Front Diameter: 6.35mm. Package Contents: 4 x Hex Converter. Note: Light and display differences may cause slight variations in color between the image and actual item. Measurement allowance is +/- 1-3cm.