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. 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