Carburetor Adjusting Tool: H

350 Carburetor Adjusting Tool.Features and Benefits: For all 1979 and up GM carburetors. Fits idle/mixture screws.Flexible shaft tool makes reaching and adjusting idle mixture screws easy. One end fits "Double D" screws and the other fits 4.5 mm hex heads. Two tools in one. Sliding handle fits securely in either end of tool.