RPT Provides up to 50% more torque on new fasteners Replaces standard hex tools RPT Provides up to 400% more torque on damaged fasteners Prevents rounding of fasteners Ink filled size markings for greater visibility Bi-Directional Design enables loosening and tightening of new and damaged fasteners Sizes included - 10, 11, 12, 14, 15, 17, 19 MM