This product contains No Chlorinated Solvents, No Phenols, No Cresylics, and is Non-Corrosive. Complete easy-to-use small parts cleaning kit for the do-it-yourselfer, hobbyist, professional mechanic . . . wherever there is an occasional need to thoroughly clean small metal parts. Kit includes container, 3 quarts of cleaning solution and parts basket. Simply place the metal parts to be cleaned in the basket and lower it into the solution! For most parts, a 20-minute soak will clean grease, grime, carbon, varnish, and paint. Stubborn spots may need some brushing and a longer soak time period. GUNK® Carburetor Parts Cleaner is compounded to clean metal. Do not attempt to clean rubber, plastic, or other non-metallic parts, gaskets, etc. Avoid any contact with painted surfaces.