The Fluke TLK282 SureGrip Deluxe Automotive Test Lead Kit is a complete set of test and measurement accessories designed especially for automotive specialists. Use the sharp stainless steel probes to contact the wire conductor or pinpoint tests on a circuit or relay, and the large jaw alligator clips to get a good ground on the engine or to connect to the battery terminals. An extra long set of alligator clips easily grip to the alternator BAT terminal or the S terminals. Use the back probe pins to slide into weather pack connectors on fuel injectors, TPS and MAP sensors.A hook probe with plunger actuation allows quick connection to pins or exposed conductors.