Hydraulic Work Support Manifold Mount Bronze Steel Max Support Force 1 650 lb Stroke Length 3/8 in Pressure Range 700 to 5000 psi Retracted Height 2.63 in Body Thread 1-1/4 In.-16 Series WFM Plunger Contact Spring Force Extended 2.0 lb Plunger Contact Spring Force Retracted 5.8 lb Oil Capacity 0.04 cu in Max Oil Flow 40 cu in/min Extended Height 3.0 in Outside Dia 1 1/4 in Plunger Dia 0.591 in Includes Contact Button Manifold Seal