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 design allows for easy bit and sleeve replacement, with stable clamping for smooth operation. Advantages: Enables one-handed hex bit exchange during use; 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 tool. 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: Only the listed items are included. Other products are not part of this package. Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3cm.