Hydraulic Ram Single Acting Low Profile Steel Nominal Capacity 20 ton Max Push Capacity 20 ton Stroke Length 3/8 in Nominal Stroke Length 3/8 in Effective Push Area 4.43 sq in Max Pressure 10 000 psi Oil Capacity Push 1.94 cu in Retracted Height 2.03 in Extended Height 2.47 in Outside Dia 4 in x 3 in Plunger Dia 2 in Center Hole Dia 2 3/8 in Series RSM Includes Dust Cap Female Coupler