The 4601-0 is a black insulated Triple Banana Jack, can be mounted into panels from 1.6mm (0.063-inch) to 9.5mm (0.375-inch) thick. Polycarbonate moulded to banana jack body. Ideal for connection to power supplies with positive, negative and return connections. This banana jack comes with nickel plated lock washer and 1/4-32 hex nut.