Insert Installation Tool, Compatible External Thread Size Not Applicable, Compatible Insert Diameter 1/2 in, Compatible Insert Length 1/2 in, 3/4 in, 1 in, Compatible Insert Material 18-8 Stainless Steel, Compatible Insert Style Tanged, Compatible Insert Type Helical Inserts, Compatible Internal Thread Size 1/2 In.-13, Compatible Thread Direction Right Hand, Compatible Thread Type Coarse, Material Steel, Overall Length 10 in, System of Measurement Inch, Tool Type Prewinder Type II