Pistol grip design offers convenient one-handed operation. Die cast head protects hardened steel plunger. Uses standard 14 oz grease cartridge or can be bulk filled. Rugged electro-static epoxy coated finish resists corrosion. Deep knurling for non-slip grip. T-handle posi-lock follower rod for sure grip and easy filling in any position. Includes 4 rigid pipe extension, 18 flexible hose and heavy duty coupler. Delivers 0.5 gm/stroke or 0.7 oz/40 strokes. Produces up to 5000 PSI.