Gravity RC All Purpose Polishing Compound is Non Toxic, Non Flammable, contains no ammonia and still cleans, Polishes and protects all metals and even plastic better than the rest. It is recommended for hinge pins, shock shafts, Kingpin’s, ball studs Etc. Apply with a dry cloth and buff. For even better results use your Rotary tool with buffing wheel or shaft mounted in rotary tools chuck. Comes in a 1oz jar.