Blade for lawn tractor lawnmower mower WHITE FOR 30" REAR DRAIN BC796B-W7 A: 760mm B: 10mm C: 8mm D: 63.5mm E: 4mm F: 73mm A: Diagonal blade length B: Centre hole dia. C: Centre hole dia. D: Centre hole dia. D: Distance between centre holes E: Blade thickness F: Blade width MTD Code: R301011 Original Code: 9420256 7420256 9420193 7420193 AT