Keep your Kubota ZD28, ZD326, and ZD331 72-inch mowers performing at their best with this complete set of 6 replacement mulching blades. These heavy-duty blades are designed to deliver superior mulching performance, efficiently cutting and re-cutting grass clippings into fine particles that decompose quickly and nourish your lawn. Each blade is precision-manufactured to match the original equipment specifications (K5677-34340), ensuring a perfect fit and optimal cutting performance. The durable construction stands up to demanding mowing conditions while maintaining a clean, professional cut. This comprehensive set provides everything you need to completely refresh your mower's cutting system, helping maintain the high performance you expect from your Kubota equipment.