Material: The socket adapter is made of chrome vanadium steel, which has high hardness, impact resistance, wear resistance, and durability. Rounded inside corner design increases contact area and reduces wear. The surface is treated for rust resistance and offers a long service life. Function: This chuck converter allows you to adapt air or electric impact wrenches for use with drill bits or ratchets. It is simple, flexible, and delivers reliable performance. Compatibility: The drill chuck adapter securely holds any 1/4 inch hex shank drill bit. Designed for use with universal electric drills and compatible with 1/2 inch electric wrenches. Convenient: Features a retractable ejector joint design for quick and secure bit and sleeve replacement. Compact body for easy handling and use. Package: Includes 2 x 1/2 inch square female to 1/4 inch hex female adapters. Comes with rubber rings and protective caps. Feature: This multi-functional wrench converter transforms an air or electric impact wrench into a screwdriver. Constructed from chrome-molybdenum steel for strength, durability, high impact resistance, and extended service life. Specification: Material: Chrome-vanadium steel; Color: Black; Package includes: 2 x Hex Shaft Adapter