The 20V MAX* Grease Gun powers through clogged grease fittings with a motor that delivers 10,000 max PSI. This tool is ideal for high-flow applications, with the pump pushing up to 5 oz. per minute. Control grease flow with the variable speed trigger and reach hard to access grease fittings with the 42 in. flexible hose.; Power through clogged grease fittings with a motor that delivers up to 10,000 max PSI; High-volume pump pushes up to 5.0 oz/min for high-flow applications; Control grease flow with the variable speed trigger; Reach hard to access grease fittings with the 42 in. flexible hose; Locate hard to see grease fittings in dark work areas with the bright LED; Pump filter screen prevents dirt and contamination from clogging the pump mechanism; Integrated no-mar foot design allows operators to rest the tool on flat surfaces; Air-bleeder valve assists in pump priming after cartridge changes