Thread Repair Kit, Insert Types Included Helical Inserts, Compatible Material Metal, Drill Bit Sizes Included Not Applicable, Finish Plain, Helical Insert Type Free-Running, Insert Length 9.525 mm, 11.1125 mm, 12 mm, 12.7 mm, 19.05 mm, Insert Material Stainless Steel, Material Grade/Class 18-8, Maximum Hole Diameter Not Applicable, Number of Inserts 6, Number of Pieces 32, Number of Sizes 1, System of Measurement Metric, Tang Style Tanged, Tap Sizes Included Special STI. This item has been restricted from sale in the following state (s): []