Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 39.5 mm Finish Plain Helical Insert Type Free-Running Insert Length 2 1/4 in Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 1.3196 in Number of Inserts 3 Number of Pieces 5 Number of Sizes 1 System of Measurement Inch Tang Style Tanged Tap Sizes Included 1 1/2 In.-6 Thread Direction Right Hand Thread Size 1 1/2 In.-6 Thread Type Coarse