LINCOLN INDUSTRIAL LNI-9989, 25-50 lb Capacity, Heavy-Duty Grease Pump, Metallic The LINCOLN INDUSTRIAL LNI-9989 is a heavy-duty grease pump designed for use with 25 to 50 lb. grease containers. This pump has been built with a focus on durability and performance, making it ideal for demanding applications in industries such as construction, agriculture, and heavy equipment maintenance. Featuring a robust design and high-pressure output, the LNI-9989 ensures reliable lubrication for critical components, which reduces downtime and extends equipment life.