Blade for lawn tractor mower mower 46" three-blade mower type 600-800 1 blade + 2 BM6377 A: 375mm B: 6 points C: 8mm D: 63mm 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: R302610 Original code: 9420453 7420453 AT