SNAPPER MOWER CUTTER BLADE FOR MODELS 21350 , 21400 , 21500 , 41085 , C21507B , CP21401R2 , DLW359T , EP21600 , LT11000 MODEL - TECHNICAL SPECIFICATIONS LENGTH 524 mm CENTRAL BORE 9. 8 mm OUTER HOLE - mm CENTRAL HOLE INDEX - mm CODE: 13286778 ORIGINAL CODE 2100242BZYP , 7100242AYP , 7100242BMA , 7100242BZ , 7100242A SR