Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 8.3 mm Finish Plain Helical Insert Type Free-Running Insert Length 12 mm Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 6.647 mm Number of Inserts 20 Number of Pieces 24 Number of Sizes 1 System of Measurement Metric Tang Style Tanged Tap Sizes Included M8-1.25 Thread Direction Right Hand Thread Size M8-1.25 Thread Type Coarse