Norbar 'HandTorque' multipliers employ multiple stages of epicyclic gearing to give a wide range of torque outputs and ratios to suit most applications. Ratios quoted are always the torque multiplication ratio, not the velocity ratio as given for some competitor's products. For example, the velocity ratio may be 29.8:1 to give a torque multiplication of 25:1 +/-4%. This product is now obsolete, for details of the new replacement, please click here.
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