Thread Repair Kit Insert Types Included Helical Inserts Compatible Material Metal Drill Bit Sizes Included 13/16 in Finish Plain Helical Insert Type Free-Running Insert Length 3/4 in Insert Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 0.95 in Number of Inserts 10 Number of Pieces 12 Number of Sizes 1 System of Measurement Inch Tang Style Tanged Tap Sizes Included 1/2 In.-14 Thread Direction Right Hand Thread Size 1/2 In.-14 Thread Type NPT