We are offering lubrication equipment.This patented battery operated cordless grease gun makes greasing very easy taking away operator fatigue.* twin piston designed for greater productivity.* bracket easy to install.* variable speed control trigger with electric brake, allowing instant stop.* built in pressure release valve to overcome clogged grease bearing problem.* 30" ultra-flex hose easy to use.* ergonomic anti-fatigue carrying strap. Operating advantages* as low as 2.5 minutes to dispense one 14 oz. (397g) grease cartridge (at normal pressure).* twin piston (double current capacity): one full charged battery can dispense 811 grease cartridges.