TWO BLADE BLADES KIT COMPLETE WITH SCREWS FOR STIGA ROTARY MACHINE TAG FOR MODELS TURBO510S , TURBO510SE , TURBO530S , TURBO530SE MODEL - TECHNICAL SPECIFICATIONS LENGTH 117.6 mm CENTRAL BORE - mm 8.1 mm OUTER BORE - mm CENTRAL BORE INDEX - mm CODE: 13270136 ORIGINAL CODE 1111-9050-01 SR