"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. Application Ram, Case Included No, Operating PSI 8,950, Capacity Ton 10. 10-ton capacity 8950 PSI operating pressure 6in. stroke 11 3/4in. collapsed height 17 3/4in. extended height"