A premium, heavy duty grease gun built tough for the professional, industrial markets Added filler nipple allows three way loading; bulk, filler pump or standard 14-Ounce cartridge Air bleeder valve easily purges unwanted air Variable stroke for working in confined areas Rugged electro-static epoxy coated finish resists corrosion Deep knurling for non-slip grip Heavy duty steel barrel for long life Die cast head protects hardened steel plunger T-handle posi-lock follower rod for sure grip and easy filling in any position Comfortable sure grip rubber handle makes pumping easy and convenient Complete with 6-Inch rigid extension and heavy duty coupler A must for heavy maintenance, industrial, automotive and farm use Delivers 1 gm/stroke or 1oz./28 strokes Produces up to 10,000 PSI