Hollow Hydraulic Ram and Pump Set Hollow Cylinder Nominal Capacity 20 ton Cylinder Stroke 2 in Cylinder Retracted Height 6.31 in Hand Pump Type Max Pressure 10 000 psi Accessory Model Number GA3 GF813P HC7206 P329 RCH202 Single Acting/Double Acting Single Acting Cylinder Model Number 6Z270 (Mfr. No RCH202) Cylinder Series SCH Pump Model Number 6W462 (Mfr. No P392) Gauge Scale 0-22 200 Max Handle Effort 93 lb