Blade for lawn tractor mower LC53E LC53EE A: 524mm B: 17.5mm C: 11x12mm D: 40mm E: 4mm F: 65mm A: Diagonal blade length B: Centre hole dia. C: Centre hole dia. D: Centre hole dia. D: Distance between mounting holes E: Blade thickness F: Blade width HUSQVARNA Code: R303939 Original part No.: 575749701 AT