Air Hydraulic Foot Pump & Ball Joint Remover Kit. 【Complete Kit】 Includes 1 air hydraulic pump (2.3 L reservoir, 1/4 NPT air inlet, 3/8 NPT oil outlet, 0.75–0.95 L/min flow), 1 air hose, and multiple ball joint separators (19/28 mm, 26/32 mm, 30/36 mm) in a storage case.