ROTARY ROTARY BLADE RIGHT ROTARY MOWER MOWER TOWER MOWER ISEKI FOR MODELS SGX19 , SGX22 , SCMA48M MODEL - TECHNICAL SPECIFICATIONS LENGTH 640 mm CENTRAL BORE 12.5 mm OUTER BORE 8.2 mm CENTRAL BORE INDEX 48 mm CODE: 13271527 ORIGINAL CODE 8663-306-001-00 , 8663-306-001-10 , 8667-306-001-00 , 667-306-001-10 SR