Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 12.3 mm Finish Plain Helical Insert Type Free-Running Insert Length 18 mm Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 10.647 mm Number of Inserts 10 Number of Pieces 14 Number of Sizes 1 System of Measurement Metric Tang Style Tanged Tap Sizes Included M12-1.25 Thread Direction Right Hand Thread Size M12-1.25 Thread Type Fine