Blade for lawn tractor mower ROYAL 48S-48SE A: 475mm B: 10mm C: 8mm D: 65mm E: 4mm F: 76mm A: Diagonal blade length B: Centre hole dia. C: Centre hole dia. D: Centre hole dia. D: Centre hole dia. E: Blade thickness F: Blade width HUSQVARNA Code: R301630 Original Code: 516479704 AT