Check the listing for details. U.S.A. Wire Quick Splice Connector - 50/Blue, -50/Red, -50/Yellow. Color: Red, Blue, Yellow, Condition: New. Listed at 12.99 USD. Wire Quick Splice Connector - 50/Blue, -50/Red, -50/YellowProduct Features Quickest and easiest way to splice, split or tap wiresJust insert wires and snap shut - solid, permanent connection without solderJoin 2 lengths of wire together or tap into existing lineDurable insulating thermo-plastic clam bodyNon-corroding metal contact blade50pc Blue fits:14-16 AWG wire50pc Red fits: 18-22 AWG wire50pc Yellow fits: 10-12 AWG wireHOW TO USE IT: It is extremely simple, just take the two wires (do not strip them) insert one wire in one end, and the other wire in the other side, then take pliers or something similar and compress the metal tab down. This penetrates the insulation of both wires and creates a connection between the two.