TWO BLADE BLADES KIT COMPLETE WITH SCREWS FOR TILTING MACHINE TILTING MACHINE STIGA FOR MODELS TORNADO300 , TORNADO340 , TORNADO535 , TORNADO540 MODEL - TECHNICAL SPECIFICATIONS LENGTH 127 mm CENTRAL BORE 18.25 mm OUTER BORE - mm INDEX CENTRAL BORE - mm CODE: 13270138 ORIGINAL CODE 1111-9021-01 SR