This is a sixteen ounce tub of Park Tool Polylube 1000 Grease. Park Tool's poly-urea lubricant was developed specifically for bicycle maintenance and repair. PolyLube 1000 has an extremely high shear strength to protect vital parts under extreme conditions. PolyLube 1000 also repels moisture and is compatible with conventional greases. Features: Large 16 oz. tub PolyLube 1000 will not harm carbon fiber Tube has threading to fit common grease guns