Thread Repair Kit, Insert Types Included Helical Inserts, Compatible Material Metal, Drill Bit Sizes Included 11.5 mm, Finish Plain, Helical Insert Type Free-Running, Insert Length 21/32 in, Insert Material Stainless Steel, Material Grade/Class 18-8, Maximum Hole Diameter 0.3834 in, Number of Inserts 10, Number of Pieces 14, Number of Sizes 1, System of Measurement Inch, Tang Style Tanged, Tap Sizes Included 7/16 In. -20, Thread Direction Right Hand, Thread Size 7/16 In. -20, Thread Type Fine. This item has been restricted from sale in the following state (s): []