Work Ports: 3/4″ NPT(F) Max Working Pressure: 3,500 PSI Retracted Length: 39.76″ (pin to pin, center on center) Extended Length: 69.76″ (pin to pin, center on center) Cylinder Length: 42.28″ (retracted, edge to edge) Column Load: 55717 lbs Product Weight: 104.00 lbs Barrel Material: Quenched and tempered steel (ASIS 1020) Rod Material: High tensile ground and polished chrome plated steel (ASIS 1045) Gland Material: High tensile nodular cast iron (ASTM A536 grade 70-50-05) Piston Material: High tensile nodular cast iron (ASTM A536 grade 70-50-05)