Nes NES21 Internal Thread Repair Tool 5/16" - 7/16"
Introducing a solution to one of the most common and frustrating reoccurring problems in working with fasteners Stripped and damaged threads. NES THREAD REPAIR specializes in repairing both external and internal damaged threads, replacing hundreds of taps and dies. No need for calibration, and repairs standard or metric threads. The outstanding innovation of these hand tools was recognized and received an Editors Choice Award from Popular Mechanics in 2010. The award was given for outstanding achievement in new product design and innovation.