Fits threaded plastic radiator caps on newer GM engines
Provides an extra grip to remove stubborn radiator caps
Use with 3/8" square drive for extra leverage
For use on many Chevrolet, GMC, Pontiac, Oldsmobile and Buick vehicles
For Cavalier, Malibu, Trailblazer and some pickups, Sunfire, G6, Alero and LeSabre