Blade for lawn tractor lawnmower mower 534TR flat 51cm A diagonal blade length: 506mm B Centre hole: 18mm C Centre hole: 8.5mm D Distance between mounting holes: 65mm E Blade thickness: 4.5mm F Blade width: 55mm CASTELGARDEN Code: R302429 Original code: 810043981/0 compatible with stiga estate tornad r.o 810043811 1111972601 1139102901 AT