Hydraulic Work Support Threaded Body Bronze Steel Max Support Force 1 650 lb Stroke Length 3/8 in Pressure Range 700 to 5000 psi Retracted Height 3.13 in Body Thread 1-3/8 In.-18 Series WFT 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 Oil Port Size #2 SAE Extended Height 3.51 in Outside Dia 1 3/8 in Plunger Dia 0.591 in Includes Contact Button Manifold Seal