Multi-purpose alligator clips for home, auto and marine applications. Non Insulated Wire range 22-14 AWG 2" long. 7/16" jaw spread. 4 per card. UL listed. Instructions: Strip 1/2" insulation from end of wire and feed into barrel to the screw terminal, Loop wire around screw and tighten, crimp barrel. Use Gardner Bender tool GS-370 for stripping and crimping wires.