A bit of grease is an essential step to maintaining a variety of machinery - from cars to workshop equipment. ToolPRO grease guns will make the job cleaner and easier. If high grease volume output is what you are chasing, the ToolPRO 500mL Twin-piston grease gun is the tool you. The lever action allows for higher pressures and the twin piston design provides twice the volume of grease as a single piston version. The design features 2 way loading for standard 450g grease cartridges and is also suitable for 500mL bulk loading. Once reloaded, this grease gun is simple to bleed with the easy to use bleed valve located on the head assembly.