Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 21/64 in Finish Plain Helical Insert Type Free-Running Insert Length 24 mm Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter Not Applicable Number of Inserts 6 Number of Pieces 10 Number of Sizes 3 System of Measurement Metric Tang Style Tanged Tap Sizes Included M16-2.00 Thread Direction Right Hand Thread Size M16-2.00 Thread Type Coarse