The Draper 43960 is four times more efficient per stroke at 27MPa The Draper 43960 grease pump features a high grease output, four times more efficient per stroke (4g) at 27MPa (4000psi). The pump is constructed with a heavy-duty cast iron pump head and is supplied with a drum cover, 2M of 1/4\" I.D. high-pressure rubber hose fitted with high-quality steel connector and grease coupler along with a 10kg capacity steel grease bucket. This Draper grease pump is suitable for use with grease up to NLGI 3.  Features: Heavy-duty cast iron pump head  High grease output, four times more efficient per stroke (4g) at 27MPa (4000psi)  Supplied with drum cover, 2M of 1/4\" I.D. high-pressure rubber hose fitted with high-quality steel connector and grease coupler, 10kg capacity steel grease bucket