Blade for lawn tractor mower HR194 A: 470mm B: 21.5mm C: 10 mm D: 88 mm E: 4 mm F: 57 mm A: Diagonal blade length B: Centre hole dia. C: Centre hole dia. D: Centre hole dia. E: Blade thickness F: Blade width HONDA Code: R302679 Original code: 72511564000 AT