Penetrating Oil Specialist machine and engine degreaser foaming spray makes equipment run smoother, last longer and look like new. This product is a low-residue water-based formula with foaming action that penetrates deep into crevices for completely clean results. Equipped with a nozzle capable of powerful long-distance sprays up to 5 ft, it stays where you spray it. Quickly remove grease, oil, dirt, grime, tar, adhesives, and more without engine disassembly. Works great on auto and truck engines, tractors, forklifts, gears and chains, industrial machinery, farm equipment, and other metal tools. Safe for use on most metals when used as directed.