BLADE KNIFE FOR ROTARY MOWER, TOWER mower, ROTARY CUTTER, LEFT ROTARY AL-KO FOR MODELS T102 , T102HD , T102HDE MODEL - TECHNICAL SPECIFICATIONS LENGTH 525 mm CENTRAL BORE 16 mm OUTER BORE 6 mm CENTRAL BORE INDEX 150 mm CODE: 842521208 ORIGINAL CODE: 521208 SR