blades for mower cutter blades MTD YARD MAN GUTBORD FOR MOWER MODELS 38 11/30 , 111ESL , 112ESL , 112/960 , 112/960N , B131 , B145 , H130 , L130 , SUPER 111 N MODEL - TECHNICAL SPECIFICATIONS LENGTH 492 mm CENTRAL BORE 10 mm OUTSIDE BORE 7. 9 mm CENTRAL HOLE INTERAXIS 63.5 mm CODE: 13270293 ORIGINAL CODE 742-0504A , 742-0504 , 742-0473A , 742-0473 , 742-0472 , 742-0323 SR