1,material: copper or zinc 2,plating: gold/nickel/tin 3,high quality 4,50OHM,75OHM.cables,pcb mount Specifications: Diameter ranges from 1mm to 40mm. Materials range from Aluminum, Brass, Copper alloy and Beryllium Copper to Stainless steelmy company was founded in 2005,The company is a network of production, processing fiber connector, connectors, computer connectors, electronic components, ...