K&E Tools' TurboPact 3/8"-drive Mini ReactionFree Impact Ratchet, No. KE-1150, hits 500 rpm and is rated at 50 ft./lbs. of max torque eliminating the need for final hand tightening. The built-in regulator helps to control the amount of torque needed on sensitive applications. The mini size and patented ReactionFree impacting mechanism make the tool optimum for under dashboards and other confined areas.