WD-40 Specialist® Machine & 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 feet, it stays where you spray it. Quickly remove grease, oil, dirt, grime, tar, adhesives, and more without engine disassembly. Works great on auto & truck engines, tractors, forklifts, gears & chains, industrial machinery, farm equipment, and other metal tools. Safe for use on most metals when used as directed.