The Pomona 2240-2 is a single port banana jack or alligator clip, manufactured to be a 1 position, single strain relief connector. It is small in size, measuring 1.38 (35mm) wide, and constructed of brass plating with a matte finish. It also features an insulation support collar, as well as a hex locknut, to secure the connection. This connector is designed to be used with 22 through 16 gauge wires.