6-in-1 Set: Common size combinations multiply the reach and capacity of your socket system, making the set highly versatile for multiple repair needs. Design. Spring-loaded detent balls on adapters securely lock sockets, get the most out of them with this handy set of adapters and reducers and ensure you always have the right size for your jobs. Quality materials. These adapters and reducers are made of high strength, heat treated chrome vanadium steel. The nickel/chrome finish is corrosion resistant and eliminates any risk of rust, to ensure long tool life, for industrial, mechanical or construction work. These adapters meet and exceed ANSI/ASME standards. Easy to identify. Each bit is marked with its size, making them easy to identify when removed from the case. Easy storage. Plastic case for easy storage and carrying of all components, very convenient for your daily use. Do you want a new set of tools for industrial work, mechanical or construction? The 6-piece adapter set is made of high-strength heat-treated chrome vanadium steel with a corrosion-resistant nickel/chrome finish.< /p> Allowing you to use the socket sets you already need to make repairs that require other drive sizes, saving you the hassle of buying new sets of sockets tools. Set includes: This adapter includes 3 pieces. reducers and 3 pc. adapters: 1/4" drive (F) to 3/8" (M) 3/8" drive (F) to 1/4" drive (M)< /p> 3/8" drive (F) to 1/2" drive (M) 1/2" drive (F) to 3/8" (M) 1/2" drive (F) to 3/4" drive (M) 3/4" drive (F) to 1/2" drive (M) 1/2 to 3/8 Socket Adapter These adapters and reducers are made from high strength heat treated chrome vanadium steel, and the nickel finish/ chrome is corrosion resistant to eliminate the risk of rusting for long lasting tool life, for industrial, mechanical or construction work.