2x Excavator Hydraulic Foot Pedal Breaker Hammer Two-way Foot Control Valve. Package includes:2Pcs Foot Pedal. There are reserved holes for installing foot valves on the excavator pedals. First install the foot valve. Then there are three holes on the foot valve, hole P is the oil inlet pipe, hole T is the oil return pipe, hole A is the pilot control pipe. Just install the corresponding pipe according to the location. We will respond to you very promptly.