Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 23 mm Finish Plain Helical Insert Type Free-Running Insert Length 1 5/16 in Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 0.7547 in Number of Inserts 5 Number of Pieces 7 Number of Sizes 1 System of Measurement Inch Tang Style Tanged Tap Sizes Included 7/8 In.-9 Thread Direction Right Hand Thread Size 7/8 In.-9 Thread Type Coarse