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 12.7 mm Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter Not Applicable Number of Inserts 5 Number of Pieces 5 Number of Sizes 1 System of Measurement Metric Tang Style Tanged Tap Sizes Included Not Applicable Thread Direction Right Hand Thread Size M18