Lincoln 1013 Heavy Duty Grease Gun. Rugged cast pump head for strength and durability. High or low pressure for light or heavy-duty greasing action. Full pressure on short strokes for heavy greasing in tight places; Develops full pressure with just 1/4" stroke. Extension swivels 360 for hard-to-reach fitting. Plated barrel, head and handle. Handy three-way loading: cartridge, filler pump or bulk. Grease resistant rubber handle grip for positive pumping action.