Product Details: The Lincoln Industrial 14.5-Ounce Cartridge Lever Type Heavy Duty Grease Guns is designed for industrial use. It features a cast pump head for strength and durability, an extra-heavy follower spring for positive priming and continuous pumping action, and an accessible check valve for easy cleaning without disassembly. It has a lever handle style, metal tube material, NPT thread outlet type, and an operating pressure of 10,000 psi. This heavy duty grease gun is perfect for industrial applications. FleetPride is your First Click in Heavy Duty®.