Free-Running Helical Insert Repair Kit, Helical Inserts, 3 1/4-8, Plain Stainless Steel, 4 Inserts
-8, Thread Type 8 UN, Manufacturer Location Made in USA, Includes Insert, Tap, Tool.Thread Repair Kit, Insert Types Included Helical Inserts, Compatible Material Metal, Finish Plain, Helical Insert Type Free-Running, Insert Length 4 1/16 in, Insert Material Stainless Steel, Number of Inserts 4, Number of Pieces 2, Number of Sizes 1, System of Measurement Inch, Thread Size 3 1/4 In.