blades for mower cutter blades MTD YARD MAN GUTBORD for mower models 42 114/107 , 114N , B160 , F145 , H165 , LT160 , SUPER14-107 V MODEL - TECHNICAL SPECIFICATIONS LENGTH 540 mm CENTRAL BORE 10 mm OUTER BORE 8 mm CENTRAL HOLE INTERSECTION 63. 5 mm CODE: 13270299 ORIGINAL CODE 742-0499A , 742-0508A , 742-0508 , 742-0499 , 942-0499A SR