Most repeatable and linear joint rate simulation available for pulse and continuous drive tool certification and testing Easily and quickly simulate four joint rates by opening or closing two external valves Specially coated testing bolt produces over 100,000 cycles without variation or deformation. Sockets Included Ideal for ISO 5393 testing Medium hard/soft joints only Reaction fixture for continuous drive tools not included Bolt Size: M18, M20, M24 Center to Outside x Height - mm: 138 x 171 Torque Range - ft-lbs: 140-506 Torque Range - Nm: 190-686