Blade for lawn tractor mower 38" two-sided blade A: 490mm B: 6 points C: 8mm D: 64mm E: 4mm F: 66mm 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: R302603 Original code: 7420610 9420610 AT