Check the listing for details. Royal Purple 01335 Max-Tuff Assembly Lube 8oz. Bottles. Condition: New. Listed at 22.99 USD. Royal Purple 01335 Max-Tuff Assembly Lube 8oz. Bottles Royal Purple® Max-Tuff® is an ultra-tough, synthetic assembly lubricant. It’s designed for use in the build or repair of any mechanical component that needs immediate lubrication and protection from the first use. Max-Tuff utilizes unique, synthetic molecules that adhere to metal surfaces to create a formidable, load-bearing physical barrier between surfaces. This minimizes the metal-to-metal contact and wear in boundary lubrication conditions. It also provides excellent protection against rust and corrosion of both ferrous and nonferrous metals. Greater wear protection Clean, efficient equipment Extends equipment life Compatible with conventional mineral and synthetic oils Non-foamingOutstanding rust / corrosion protection High temperature service capability