【1/2'' to 3/8''】- Connect 1/2" (Female) drive tools to 3/8" (Male) drive sockets.
【CR-MO STEEL】- Black chrome molybdenum steel provides excellent durability and strength with every impact movement.
【SECURE HOLD ON SOCKETS】- Chamfered ends and spring-loaded ball detent provides a secure hold onto sockets and prevents them from dropping.
【PRACTICAL】- Detent notches in drive ends grips onto ratchets and extensions making it a perfect fit for any industrial, mechanic, or construction work.
【RADIUSED CORNERS】- Radiused corners inside drive avoid stress concentrations that can cause cracking.