Pindex Grease Gun 8000 PSI Professional Pistol Grip with Flexible Hose Hand Lever Heavy Duty Manual Grease Gun Tool Fit 14oz Cartridge and Bulk for Heavy Equipment, Vehicles, & MachineryUpgraded Construction: The double rod grease gun is labor saving and the oil discharge is fast. Oil flow is twice as high as a single rod grease gun Premium Material: The grease gun body is cold rolled steel with 400g cartridges. A standard 14oz or 400cc cartridge can be used Release Valve: This button helps release air bubbles quickly. Press after loading, and the plunger will automatically return. Reinforced spring with better sealing, holds