"This Blackhawk Automotive Porto-Power Ram is designed for use in all positions. 10-ton ram has collar threads, threaded adapter at the plunger end and a threaded base mounting hole for easy installation, High-strength alloy steel for durability. Heavy-duty return springs and baked enamel finish for increased resistance. Capacity Ton 10, Operating PSI 8,950, Min. Lift Height in. 11 3/4, Application Ram, Max. Lift Height in. 17 3/4, Case Included No. 10-ton capacity 8950 PSI operating pressure 6in. stroke 11 3/4in. collapsed height 17 3/4in. extended height"