Uxcell 3 Pcs 1/2 Inch Drive (F) x 3/8 Inch (M) Socket Reducer, Female to Male 4mmx7mmx2.5mm The hidden bracket is made

The hidden bracket is made of carbon steel

has the high elasticity and damping noise reduction effect is obvious

of PP material

Direct Bolt on

Uxcell 3 Pcs 1/2 Inch Drive (F) x 3/8 Inch (M) Socket Reducer, Female to Male 4mmx7mmx2.5mm The hidden bracket is made* 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, suitable for use with hand tools and is not recommended for use with electric or air