Check the listing for details. WORKPRO 7Pieces Impact Socket Adapter Set W/3PC 1/4"Hex Shank Drill ExtensionSet. Condition: New. Listed at 26.99 USD. Cambot Kit: This impact socket adapter set includes 1/4-inch hex-shank extended adapters in 3 standard drive sizes: 1/4", 3/8", and 1/2", and 4-piece impact adapter and reducer kit in the following sizes: 1/4"F to 3/8"M, 3/8"F to 1/4"M, 3/8"F to 1/2"M, 1/2"F to 3/8"M. Premium Quality: The impact extension and socket adapter set is constructed of heavy-duty drop-forged and heat-treated chrome vanadium steel and chrome molybdenum steel, which has high hardness, high torque, and good toughness. A black phosphate finish protects the sockets against rust and corrosion. Wide Application: This impact socket accessory set includes a wide array of adapters and reducers, ideal for use in automotive repairs, household maintenance tasks, DIY projects, and home improvement projects. Precision Design: Workpro socket adapters feature a spring-loaded detent ball that securely locks the socket to prevent it from falling out during use, and the chamfered end can be inserted smoothly to avoid damage to its edge. Convenient Storage: The professional socket adapter kit comes with a molded storage case to keep your tools looking organized for easy storage, quick organization, and transportation.