Thread Repair Tool Compatible External Thread Size 2 3/4 in to 3 3/16 in Compatible Insert Diameter Not Applicable Compatible Insert Length Not Applicable Compatible Insert Material All Materials Compatible Insert Style Internal Thread Compatible Insert Type Not Applicable Compatible Internal Thread Size 2 3/4 in to 3 3/16 in 69mm to 81mm Compatible Thread Direction Right Hand and Left Hand Compatible Thread Type Coarse Extra Fine Fine Material Steel Overall Length 6 7/16 in