The highest standards for engineering and craftsmanship are built into every Workforce grease gun making them the choice for those who work under rugged conditions! Product Features:Heavy-duty Die-cast Head Construction - For maximum durability and longer active service lifeDurable Follower Rod and Spring - For consistent priming2-Way Loading - Cartridge or bulkFiller nipple port for loading greasePositive-grip follower handle with locking tabIncludes: 4-Jaw coupler for better grip and longer service life and 6 in. angled extensionHolds 14 oz. grease cartridgeStrokes per ounce = 28