Insert Installation Tool, Compatible External Thread Size Not Applicable, Compatible Insert Diameter 7/64 in, Compatible Insert Length 7/64 in, 11/64 in, 7/32 in, Compatible Insert Material 18-8 Stainless Steel, Compatible Insert Style Tanged, Compatible Insert Type Helical Inserts, Compatible Internal Thread Size #4-40, Compatible Thread Direction Right Hand, Compatible Thread Type Coarse, Material Steel, Overall Length 8 in, System of Measurement Inch, Tool Type Prewinder Type II