ITEM NAME:4X 1/4" 3/8" 1/2"Ratchet Socket Adapter Reducer Converter Set Air Impact Tools~（.Ball detent securely holds sockets on the coupler. 4x Pneumatic sleeve adapter. Hardness: (HRC) 40 ± 2. -Suitable for use with air pneumatic, electric impact wrenches and ratchets. -These tools adapt to the situation on the fly to get it done.
