A.K.O., Inc. designed and developed what is now the most imitated hand Click Wrench Torque Calibration System in the world. In addition, we manufacture a complete line of calibration systems for Hydraulic Wrenches, Pneumatic Guns and Torque Multipliers. A.K.O., Inc. has the most complete and comprehensive line of precision Torque Transducer Calibration Systems. Our Torque Transducers range from as low as 2 to 20 oz·in all the way to 150,000 lb·ft of Torque. We also offer unparalleled accuracy with our own line of Torque Transducers (0.1% of reading +/- 1 LSD from 10% - 100% of capacity).