3/8" Drive Torque Wrench with 10-80 ft.lbs.  Use this wrench to prevent damage caused by accidentally over-tightening your cable clamps.  Handle easily twists to set the number of foot pounds needed for your project.  When the amount of torque is reached, hear a loud click and you're done.  

 

Not only do you get the Torque Wrench, but you get the very best customer service in all the land.

If you're not happy, send it back for a full refund within one year.