Thread Repair Kit, Number of Inserts 60, Number of Pieces 62, Insert Diameter 21/64 in, 29/64 in, 19/32 in, Insert Length Not Applicable, Thread Direction Right Hand, Thread Type Coarse, Fine, Insert Material Brass, Finish Plain, Material Grade/Class C3604, Compatible Material Wood, Drill Bit Sizes Included Not Applicable, Maximum Hole Diameter Not Applicable, System of Measurement Inch