KNIFE BLADE FOR HONDA MOWER ROTARY MOWER FOR MODELS UM616 , UM2460 MODEL - TECHNICAL SPECIFICATIONS LENGTH 605 mm CENTRAL BORE 21 mm OUTER BORE 10.5 mm CENTRAL BORE INDEX 88 mm CODE: 13270235 ORIGINAL CODE: 72511-VD8-L20 , 72511-VD8-000 SR