Insert Extraction Tool, Compatible External Thread Size #2-56 to #8, M2 to M4, Compatible Insert Material 18-8 Stainless Steel, Compatible Insert Style Tanged, Compatible Insert Type Helical Inserts, Compatible Internal Thread Size #2 to #8, M2 to M4, Compatible Thread Direction Right Hand, Material Steel, Overall Length 5 in, System of Measurement Inch/Metric, Tool Type Insert Extraction Tool, Series Recoil