Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 4.4 mm Finish Plain Helical Insert Type Free-Running Insert Length 1/4 in Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 0.13 in Number of Inserts 20 Number of Pieces 24 Number of Sizes 1 System of Measurement Inch Tang Style Tanged Tap Sizes Included #8-32 Thread Direction Right Hand Thread Size #8-32 Thread Type Coarse