HYTORC JGun Air FLIP .5 Dual Speed P5 Air Torque Multiplier 3/4" Dr. TESTEDItem: HYTORC J Gun FLIP . 5 Dual Speed Pneumatic Torque Wrench Multiplier with a 3 4" Square Drive. Product Description: The J gun Flip is a special implementation of the dual speed pneumatic torque wrench. These pneumatic tools allow the operator to rundown and tighten nuts without the hassles of installing and removing a reaction arm. Each J gun Flip is equipped with a special mechanism which works as a handle in high speed and a reaction arm when