Insert Installation Tool Compatible External Thread Size 1/2 in 9/16 in M12 Compatible Insert Material 18-8 Stainless Steel Compatible Insert Style 4 Keys Compatible Insert Type Key Locking Inserts Compatible Internal Thread Size 1/2 in 9/16 in M12 Compatible Thread Direction Right Hand Material Steel Overall Length 2 in System of Measurement Inch/Metric Tool Type Insert Extraction Tool