Check the listing for details. Foot Operated Grease Pump High Pressure Foot Operated Grease Gun Portable. Color: Yellow, Condition: New. Listed at 115.09 USD. The 2-stage pump on our innovative greaser is activated by pushing down on the foot treadle, returns grease in the hose back into the grease bucket canister, and makes for easy, pressure-free disconnection while eliminating mess on the coupler tip. This heavy-duty tool is an excellent device to have on a construction site or in an auto mechanic garage to be used on large machinery. It is also a great tool to have on hand at the farm for your tractor, plow, stump puller, disc harrow, or seeder.The 2-stage pump on our innovative greaser is activated by pushing down on the foot treadle, returns grease in the hose back into the grease bucket canister, and makes for easy, pressure-free disconnection while eliminating mess on the coupler tip. This heavy-duty tool is an excellent device to have on a construction site or in an auto mechanic garage to be used on large machinery. It is also a great tool to have on hand at the farm for your tractor, plow, stump puller, disc harrow, or seeder.