FUNCTION Restore threads to original condition, eliminating the need for thread cutting equipment. EASY TO USE Tighten the tool slightly on the good threads then back off over the damaged thread area to restore the threads. INCLUDE THREE DIES 1 mm- 1.25 mm-1.5 mm-1.75 mm; 2 mm-2.5 mm-3.0 mm-3.5 mm; 4 mm pitch dies.( Outer Diameter). MATERIAL Made of heavy duty steel, resisting deformation, high temperature and corrosion. 100% SATISFACTION GUARANTEE .
