Shop 5/32 to 11/16" Nominal Dia, External Thread Restorer at MSC Direct top provider of high quality products Nes Universal Thread Repair Tool Nes Thread Restoring Tools - External Thread Repair - Light Tool Supply Stripped Bolt Repair The NES 1A & NES2 are universal external thread repair tools that are included in the set, along with spare cutters. These easy-to-use tools operate by adjusting the knob that sets the proper diameter of the tool to the thread and the blades float to the correct pitch Self adjusting to any pitch + size within range , no calibration required ThreadMate Tools Repair Just About Any Threads International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.