WD-40 Specialist Fast Acting Degreaser is a solvent-based, spray degreaser that quickly removes stubborn soiling such as oil, grease, dirt and grime without leaving any residue. Simply spray on the clear formula before wiping or rinsing away for a clean finish. For heavy soiling leave for a few seconds to penetrate through the dirt before wiping clean. It's perfect for a range of applications, from cleaning alloy wheels and tyre rims to degreasing engine components.