Blade for lawn tractor lawn mower 42 to 46" three-blade mower type 700-800 1 blade + 2 BM6377 A: 375mm B: 10mm C: 8mm D: 63.5mm E: 4mm F: 75mm A: diagonal blade length B: centre hole dia. C: positioning hole dia. D: positioning hole dia. E: blade thickness F: blade width MTD Code: R302496 Original Code: 9420486 7420486 AT