M12 400ML Cordless Grease Gun delivers the highest max operating pressure in its class to help you handle heavy-duty applications and eliminate downtime. It’s capable of delivering more than 8,000 PSI max operating pressure for heavy machinery, cold weather applications and clogged grease fittings.The M12 REDLITHIUM™ Battery (sold separately) lets you dispense up to seven grease cartridges per charge and is compatible with a variety of MILWAUKEE tools for greater workplace versatility. A lightweight, ergonomic handle offers greater comfort during prolonged use, and an onboard hose storage and shoulder strap loop offer convenience with less mess. The gun comes with a 914mm flex hose with spring guard and grease coupler.