A fast and easy way to clean and lubricate your studs. Simply place yours studs in the jar and shake vigorously. The cleaner will soak to the bottom while your studs remain in the dipping dish. Simply lift out the dish and let drain before storing or using your now clean studs. Removes dirt and debris from studs and stud threads as well as prevents rusting. A must have for anyone that uses studs. One size.