Grease Pump with Container, Hose Length 6 1/2 in, Features Allows High Pressure Greasing With Highest Convenience , Due To Pump Operation Using Foot Pressure. All Moving Parts Submerged In Grease At All Times. Pump Operation Creates Waves In Grease ,auto Eliminating Any Trapped Air In Grease, For Use With NLGI 1 and 2 Grease, For Container Type Bucket, Adapter Material Nitrile, Steel, Compatible Chemicals Grease, Housing Material - Pumps Nitrile, Steel, Max. Head Pressure 8,700 psi WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer, and Di-isodecyl phthalate (DIDP), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Nickel (Metallic)