Tusk First Line Contact Cleaner is a staple in everyone's garage/shop. This scented contact cleaner is a great way to clean oil, grease, and grime from most any surface, as well as electrical circuits. Tusk Contact Cleaner is safe on most plastics, O-rings, and rubber surfaces. Non-corrosive and non-staining formula that displaces water and dries quickly with no residue makes it ideal for engine work, suspension work, electrical work, and much more!