Package includes 2 pcs. reducers and 2 pcs. adapters: 3/8 inch drive (F) to 1/4 inch drive (M) reducer, 1/2 inch drive (F) to 3/8 inch drive (M) reducer. 1/4 inch drive (F) to 3/8 inch drive (M) adapter, and 3/8 inch drive (F) to 1/2 inch drive (M) adapter.
The adapters' spring-loaded detent balls securely latch sockets
The adapter sockets are suitable for Square universal joint sets, Square drive extension bar sets
These adapters and reducers are made from high-strength, heat treated chrome vanadium steel and have a corrosion-resistant nickel/chrome plated finish for industrial, mechanical or construction work.