141210-050 4/0 GA 3/8" Stud Fusion MagnaLug® Right Elbow Lug (50 PCS) - Made of cast copper alloy, tin plated for added conductivity, to resist corrosion and for superior reliability for years of dependable service. Up to 70% stronger than crimp method and more consistent quality than any other solder method including traditional wire solder and solder lug. Faster, less confusing and less costly than multi-component solder lugs. These are especially good when in the presence of destructive vibration or corrosive chemicals.