Gorillius Lubricus is not just an oil, it is a conditioner for your yo-yo bearing. Gorillius Lubricus conditions, lubricates and refurbishes the steel for a quieter, longer lasting bearing. All you need is less than 1/3 of a drop each time you clean your bearing. Excellent at any temperature. Rust protection. Corrosion protection. Wear protection. 1 oz.