The DEWALT DCGG571M1 20V MAX Lithium Ion Grease Gun a strong motor that delivers 10,000 max psi to power through choked grease fittings. It a high-volume pump that pushes up to 5.0 oz. / min high-flow and allows up to 16 cartridges per charge with a unvarying DEWALT 20V MAX Battery -LRB- 4.0 Ah -RRB-. A varied speed trigger very interact of the grease flow and the 42 '' extra-long and elastic hose is designed for reaching marmoreal to access grease fittings. It a silvery LED scene which assists in locating marmoreal to see grease fittings in low-light situations and an progressive pump filter screen that prevents dirt and contamination from clogging the pump mechanism. An interracial no-mar foot design operators to rest the tool on matte surfaces. It also an air-bleeder valve that assists in pump priming after cartridge changes. : -LRB- 1 -RRB- DCB204 : 20V MAX XR Premium Li-Ion Battery -LRB- 4.0 Ah -RRB-, -LRB- 1 -RRB- imperviable charger, -LRB- 1 -RRB- Shoulder strap and Kit box.