Large 2 oz. Liquid Bearings, the superior 100%-synthetic oil for wall clocks or any clocks, frees sticky or rusty mechanisms, never becomes gummy, the BEST for clocks of all types! THE SUPERIOR lubricant for all clock uses 100%-synthetic lubricant, superior for all clock applications! No petroleum-based odor, never gets sticky or gummy Plastic-safe for all materials and painted surfaces! Will not attract or retain dust and dirt in your clocks!