1、Brass Conductor: The binding post conductor is made of high purity refined brass, with low transmission signal loss, stable transmission, and high speed 2、Brass Material: The use of brass has strong current flow, and the shell material is corrosion resistant, not easy to oxidize, and ensures stable current transmission 3、Application: This is binding post used for electronic instruments, industrial equipment, electronic equipment, inverters 4、Wide Applications: This is a binding post that is widely used for welding machinery, charging generators, ships, RV, etc. 5、Overall Nickel Plating: This binding post adopts overall nickel plating, which can effectively prevent oxygen and better maintain the stable transmission of current Item Type: M8 Binding Post Material: Engineering Plastic, Nickel Plated Brass Uses: Widely used for the separation and distribution of electronic instruments, industrial equipment, electronic equipment, inverters, welding machinery, charging generators, ships, RV, trucks, automobiles, and solar cells Thread Size: M8 Screw Length: Approx. 42mm / 1.65in 5 x Binding Post(Red) 5 x Binding Post(Black)