Milwaukee M18 Cordless 2-Speed Grease Gun Kit - Two Battery MIL214620 It has a nitrogen spring

It has a nitrogen spring mechanism

a 45º pivoting head allows for 180º of versatile coverage

High / Low switch

overheating and over-discharging

Milwaukee M18 Cordless 2-Speed Grease Gun Kit - Two Battery MIL214620 It has a nitrogen springThe M18 cordless 2 speed grease gun delivers maximum pressure and unmatched versatility, offering an industry leading 10,000 PSI max operating pressure and a patent pending pre set grease counter that allows service and maintenance professionals to dispense precise amounts of grease. The tools 2 speed design offers users the ability to select between max pressure and max flow rate. Other unique features include an on board LED light, a lock on lock