Kastar 7-Piece Retractable Test Lead Set is used for testing electrical circuits in cars, trailers, boats, and more. Kastar retractable test leads pull out and rewind when not in use, and feature 18 gauge copper wire with insulated alligator clips, different color wires for easy identification, and a maximum amperage of 10 AMPS fully unwound, 6 AMPS wound. Kastar 7-Piece Retractable Test Lead Set is meant for use with many multimeters with steel banana jack connectors. The Kastar 7-Piece Retractable Test Lead Set Includes: One 2 x 15-ft. test lead with banana plugs (1175), one pair of test probes (1170R), one pair of alligator clips (1167R), and one pair of spring hooks (1173R).