NES Nes21 5/16″ – 7/16″ Internal Thread Repair Tool

The Nes Internal Thread Repair system is an easy way to repair internal threads that are stripped or damaged. Nes internal thread repair tools are time saving convenient and the products are universal. The Nes 21 comes with a 60 degree blade made from hardened steel. Ideal for plumbing construction agriculture car repair and many other applications where there are components with a damaged thread.