(1) Rigid Alloy Steel Body Construction for long life. (2) Double acting cylinder design. (3) Exchangeable Hex drive Ratchet Mechanism. (4) Rigid Bolting System with power head & ratchet head. (5) Working Pressure 700 bar (10,000 psi). (6) Torque Precision +-3%. (7) Interchangeable Hex Drive to Square Drive with Power Head.