The Lincoln Power-Luber delivers high pressure up to 6000 PSI. It is has a powerful 12 volt motor with Planetary gear drive. Machined and hardened piston 2" final drive needle bearings and a Plated steel barrel with exclusive flip-over follower. Locking follower rod. Up to 5 times faster than manual grease guns. Continuous operation lets you grease up to three full loads on one battery. Convenient 3-way loading. Complete with 110V charger two 12V nicad rechargeable batteries 30" flex hose with spring guard and custom carrying case.