blades for mower blades MTD YARD MAN GUTBORD FOR MOWER MODELS 42 114/107 , 114 N , B160 , F145 , H165, LT160 , SUPER14-107 MODEL - TECHNICAL SPECIFICATIONS LENGTH 538 mm CENTRAL BORE 9. 5 mm OUTER BORE 9.7 mm CENTRE HOLE 63.5 mm CODE: 13271078 ORIGINAL CODE 742-0499A , 742-0499 , 942-0499A SR