Marvel® Mystery Oil Gas and Oil Additive, 1 gal, Plastic Bottle ORS NASCO Compound action stripping: grip and Compound action stripping: grip and strip via single action squeezing motion Heavy non spark striking face with soft impact Malleable brass material will not fracture or shear when striking hard surfaces Classic Nuplaglas® super duty handle is made tough from thousands of strands of fiberglass encased in a proprietary resin Perfect for working in volatile environments it helps improve mileage by reducing deposits on injectors and carburetor jets Engine and fuel additive helps prevent oil breakdown caused by extreme temperatures Reduces and prevents valve sticking by removing harmful sludge and carbon deposits Added to fuel