Material: Made of high-density steel for durability and high impact resistance Adjustable: Features a 1/2 inch square drive or 1/4 inch hexagonal quick-load adapter; compatible with various power tools Innovation: Extended post design allows easy bit and sleeve replacement; ensures stable clamping during operation Advantages: Hex shank socket adapter enables one-hand bit changes; securely holds any 1/4 inch hex shank bit Function: Converts air or power impact wrenches into a drill or ratchet drive tool Type: 1/2-Inch Drive to 1/4-Inch Hex Adapter Compatible Bit: 1/4 inch Hex Shank Color: Black Material: Steel Size: Length: 50mm, Rear Diameter: 12.5mm, Front Diameter: 6.35mm Package Contents: 4 x Hex Shank Converter