Neiko 30223A Impact Adapter and Reducer Set, 8 Piece | Cr-V | SAE A complete drive impact socket adapter and reducer set with hard-to-find conversions; eliminates the need for multiple impact wrenches Allows greater flexibility for sockets and drive tools and maximizes the versatility of ratchets and sockets Made from high-strength, heat-treated, shock-resistant chrome vanadium steel with corrosion-resistant black oxide finish Professional quality reducers and adapters lock onto sockets with spring loaded ball detents and drive tangs for a sure and tight fit Includes: 3/8" to 1/4" reducer, 1/2" to 3/8" reducer, 3/4" to 1/2" reducer, 1" to 3/4" reducer, 1/4" to 3/8" adapter, 3/8" to 1/2" adapter, 1/2" to 3/4" adapter, 3/4" to 1" adapter