LIAERBA CUTTER BLADE MTD YARD MAN GUTBORD FOR MODELS HB45LSH , HB46RLSH , HB4645LSH , YM4519PH , SPH MODEL - TECHNICAL SPECIFICATIONS LENGTH 460 mm CENTRAL BORE 10.2 mm OUTER BORE 8 mm CENTRAL BORE INDEX 65 mm CODE: 13271495 ORIGINAL CODE CP047013 SR