Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 3.8 mm Finish Plain Helical Insert Type Free-Running Insert Length 13/64 in Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 0.111 in Number of Inserts 20 Number of Pieces 24 Number of Sizes 1 System of Measurement Inch Tang Style Tanged Tap Sizes Included 5/8 In.-18 Thread Direction Right Hand Thread Size #6-40 Thread Type Fine