Insert Installation Tool, Compatible External Thread Size 1/2 In. -20, Compatible Insert Diameter 1/2 in, Compatible Insert Length 1/2 in, 3/4 in, 1 in, 1 1/4 in, 1 1/2 in, Compatible Insert Material 18-8 Stainless Steel, Compatible Insert Style Tanged, Compatible Insert Type Helical Inserts, Compatible Internal Thread Size 1/2 In. -20, Compatible Thread Direction Right Hand, Compatible Thread Type Fine, Material Plastic, Overall Length 8 in, System of Measurement Inch, Tool Type Prewinder Tool. This item has been restricted from sale in the following state (s): []