This Lincoln Lever Action Barrel Pump is a must-have for any automotive professional. It is a high-quality, reliable tool that will make greasing tasks a breeze. The pump is manual and easy to use, with a sturdy construction that ensures durability and longevity. The manufacturer part number is G401 and it is compatible with various barrel sizes. The pump is from a reputable brand, Lincoln, and is designed for use in the automotive industry. It is perfect for shop equipment and supplies, and is an essential tool for anyone who needs to grease guns or lubricate equipment on a regular basis. This Barrel Pump is new in package and ready to use.