Variable speed continuous flow trigger. Air operation range is 40-150 psi with 6,000 psi maximum. Accepts a 14.5-oz. grease cartridge or 16-oz. of bulk grease. Includes 30″L high-pressure hose with coupler and clip. Variable speed trigger Air operation range: 40-150 psi – 6,000 psi max Accepts 14.5-oz. Grease cartridge or 16-oz. Bulk grease Includes 30″L high-pressure hose with coupler and clip