Quickest and easiest way to splice, split or tap wires. Just insert wires and snap shut - solid, permanent connection without solder. Include dark blue T-tap connector 18-14GA, red 22-1GA, blue 18-14GA, yellow 12-10GA. Join 2 lengths of wire together or tap into existing line. Durable insulating thermoplastic clam body, reseal able; non-corroding metal contact.