KNIFE BLADE FOR Lawnmowers Lawn mowers CASTELGARDEN , STIGA , GGP , ALPINA FOR MODELS E-FLOR4041P , GB1641ET , R430 , R434 , TD430 , TD434 MODEL - TECHNICAL SPECIFICATIONS LENGTH 410 mm CENTRAL BORE 18. 5 mm OUTER HOLE 8.5 mm CENTRAL HOLE INDEX 65 mm CODE: 13271516 ORIGINAL CODE: 181004341/3 81004341/2 81004341/1 81004341/0 1136-0749-01 SR