The 4897 series solderless and stackable Standard Banana Plug designed to fit on the end of any 22 to 18AWG wire. It is made of gold-plated brass body with gold-plated beryllium copper spring and a polypropylene insulator. It is available with tarnish resistant nickel or gold plating for very low contact resistance. The cross-hole wire entry fits wires up to 0.12-inch diameter. The set screw simplifies assembly of test leads and jumpers by using a flat blade screwdriver. It also fits standard panel and binding post banana jacks 0.161 to 0.166-inch diameter.