Upgrade your Kubota mower's cutting performance with these heavy-duty replacement blades designed specifically for ZD326S and ZD21F-60P 60-inch models. This set of 6 premium XHT HD blades is manufactured in the USA to deliver superior cutting results. Compatible with OEM part numbers K5647-34330 and K5647-34340, these blades are precision-engineered to match your Kubota mower's specifications. The high-quality construction ensures consistent performance for clean, precise cuts across your lawn. Perfect for professional landscapers and property owners who demand reliable equipment, these replacement blades help maintain your mower's optimal cutting capability. Keep your Kubota running at peak efficiency with this complete set of six replacement blades that offer direct fitment and reliable performance.