Tang Breaking Tool, Compatible External Thread Size #4-40, Compatible Insert Diameter 7/64 in, Compatible Insert Length 7/64 in, 11/64 in, 7/32 in, 9/32 in, 11/32 in, Compatible Insert Material 18-8 Stainless Steel, Compatible Insert Style Tanged, Compatible Insert Type Helical Inserts, Compatible Internal Thread Size #4, Compatible Thread Direction Right Hand, Material Steel, Overall Length 5 in, System of Measurement Inch, Tool Type Tang Breaking Tool, Features Spring Loaded, Series Recoil