Blade for lawn tractor mower mower for 42" 43" BILAMA deck A: 555mm B: 10mm C: D: E: 3mm F: 50mm A: Diagonal blade length B: Centre hole dia. C: Centre hole dia. D: Centre hole dia. D: Centre hole dia. E: Blade thickness F: Blade width NOMA Code: R302608 Original Code: 316608 313954 AT