QUICK CHANGE HOLDERS ARE ONE OF THE MOST IMPORTANT FEATURES OF A FLEXARM TAPPING ARM. THE TORQUE HOLDER CONTAINS A BUILT IN CLUTCH THAT PREVENTS BROKEN TAPS. IT IS IMPORTANT TO NOTE THAT FLEXARM TAPPING ARMS DO NOT REQUIRE MODULES, ONLY TORQUE HOLDERS. WITH EACH ARM PURCHASE, YOU RECEIVE 5 FREE TORQUE HOLDERS.