Blade for lawn tractor lawn mower 46" flat A: 378mm B: 6 points C: 10mm D: 63.5mm E: 4mm F: 63mm 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 MTD Code: R302647 Original code: 9420612 7420612 AT