
With 6-in-1 functionality, the common size combination doubles the reach and capacity of your jack system, making your unit extremely versatile for multiple repair needs. SET INCLUDES: This adapter set includes 3pcs. Reducer and 3pcs. Adapters: 3/8" (F) to 1/4" Drive (M) reducer, 1/2" Drive (F) to 3/8" Drive (M) reducer, 1/4" Drive (F) to 3/8" Drive (M) adapter, 3/8" drive (F) to 1/2" drive (M) adapters. DESIGN GUIDE: The adapter's spring-loaded ball locks securely into the socket, get the most out of your socket with this handy set of adapters and reducers, ensuring you always have the right size for the job. HIGH-QUALITY MATERIALS: These adapters and reducers are made of high-strength, heat-treated chrome vanadium steel and have a corrosion-resistant nickel/chrome finish, suitable for industrial, mechanical or construction projects. These adapters meet and exceed ANSI/ASME standards.