Phoenix Contact 1004380 The specifications for the crimp contact include a diameter of 1.6mm, with a rolled shape and a pin configuration, made from a Cu alloy that has been nickel-plated on its surface, which is then silver-plated to provide additional durability, and features a cross-sectional area of 0.34mm2. The product is also available in a range of sizes, including 1mm2 AWG 22, with taped products offering an added layer of protection.