Grease Filler Pump, Self-Priming Yes, Metered No, For Use With NLGI 1 and 2 Grease, For Container Type Bucket, Includes Spout Yes, Adapter Material Aluminum, Brass, Nitrile, Steel, Zinc, Compatible Chemicals Grease, Housing Material - Pumps Aluminum, Brass, Nitrile, Steel, Zinc 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)