Thread Insert Tool, Compatible External Thread Size #10-32, Compatible Insert Length Not Applicable, Compatible Insert Material Metal, Compatible Insert Style 2 keys, Compatible Insert Type Key Locking Inserts, Compatible Internal Thread Size #4-40, Compatible Thread Direction Right Hand, Compatible Thread Type Coarse, Material steel, Overall Length 3 3/4 in, System of Measurement Inch, Tool Type Keylocking Install Tool, Series MS/NAS