An essential lubricant for all skateboard/skate bearings! Reflex Synthetic Bearing Oil formulated with the finest lubricants keeps your bearings rolling fast and smooth for optimal speed. Protects your bearings from moisture, rust, squeaking, wear and degradation. 1/2 fluid oz. (15 ml) Made in the USA. Suggested use: apply a few drops to each bearing and spin it in to thoroughly and repeat as needed until your bearings roll smooth and fast.