Function: 6 in 1 set: Common size combinations expand the range and capacity of your socket system, making your set highly versatile for multiple repair tasks. Design Tips: The adapters feature spring-loaded balls for secure locking. Maximize the utility of your sockets with this convenient set of adapters and reducers, ensuring you always have the correct size for the job. Quality Materials: These adapters and reducers are crafted from heat-treated chrome vanadium steel with a corrosion-resistant nickel/chrome finish, providing long-lasting performance and resistance to rust. Ideal for industrial, mechanical, or construction applications. Easy to Identify: Each socket has its size clearly marked on the surface, allowing for quick identification even after removal from the case. Easy Storage: Includes a durable plastic case for organized storage and convenient transport of all components, making it practical for daily use. This 6-piece adapter set is made from heat-treated chrome vanadium steel with a corrosion-resistant nickel/chrome finish. It enables compatibility between different socket sizes, allowing you to use your existing socket set for repairs requiring various drive sizes—helping avoid the need to purchase additional tool sets. Set Includes: 3 reducer pieces and 3 adapter pieces: - 1/4" (F) to 3/8" (M) drive - 3/8" (F) to 1/4" (M) drive - 3/8" (F) to 1/2" (M) drive - 1/2" (F) to 3/8" (M) drive - 1/2" (F) to 3/4" (M) drive - 3/4" (F) to 1/2" (M) drive