The Milwaukee 2646-20 M18 2-SPD Grease Gun Bare Tool is a versatile and powerful tool for service and maintenance professionals. With a maximum operating pressure of 10,000 PSI, this cordless grease gun delivers maximum pressure for efficient lubrication. The 2-speed design allows users to select between maximum pressure and maximum flow rate, providing flexibility for different applications. The tool also features an on-board LED light for improved visibility, a lock-on/lock-off trigger for continuous operation, and a plunger rod with markings to gauge the amount of grease left in the barrel. With its patent-pending pre-set grease counter, this grease gun allows for precise dispensing of grease.