Description:  Brand new.  Color:Silver  Material:Aluminum alloy  Size:as the picture shown.  Wire reducer made of aluminum alloy and nickel plated. It features good conductivity, high hardness, and resistance to acid and rust.  The Amp Input Reducer Adapter will work with oversized 1/0 car audio cable, 1/0 welding cable, and 2/0 welding cable.  Easy to install. No Crimping required ,Allen Screw Clamping.  Wire reducer can be used for most cars, effectively improving the transmission of sound quality.   Package List:  2 x Amp Input Reducer  1 x Wrench  .