Blade for lawn tractor mower mower 46" three-blade flat mower type 600-800 2 blades + 1 BM6380 A: 413mm B: 6 points C: 8mm D: 63.5mm E: 3mm F: 76mm A: diagonal blade length B: centre hole dia. C: positioning hole dia. D: positioning hole dia. E: blade thickness F: blade width MTD Code: R302611 Original code: 7420542 9420542 AT