100.0% of buyers have recommended this.
For Adjusting Idle Mixture Screws on GM and Chrysler.
Heavy-duty flexible shaft for easy access. Four adapters conveniently store in the hollow handle.
Carburetor adjusting tool, Double D adapter for Gm s79 thru present, 14 in. hex adapter for pre 78 GM, 332 in. hex adapter for s78 thru present Chrysler 1.7-2.2L engines, 4.5 mm hex adapter for 78 and 79 GM