20V MAX Lithium-Ion Cordless Grease Gun - DCGG571. (1) 20V MAX 4 Ah Battery - DCB204. Charger. Shoulder Strap. Kit Box. Power through clogged grease fittings with a motor that delivers up to 10000 max PSI. High-volume pump pushes up to 5 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 di