2pcs 1/2 Inch Drive (F) x 3/8 Inch (M) Socket Reducer, Female to Male, Cr-V (Silver)

* Made from heat treated chrome vanadium steel with chrome finish for extra durability and corrosion-resistant.
* Chamfered ends and ball detent provides a secure hold onto sockets and prevents them from dropping.
* Detent notches in socket ends lock onto ratchets and extensions.
* Wide application in DIY hand-making, household maintenance, and most general repairs.