This 3-pack of Stens 330-823 Hi-Lift blades is designed for Kubota ZD and ZG series mowers, requiring three for a 60” deck. Each 20-1/2” blade features a 1-1/8” center hole, 2-1/2” width, and 0.25” thickness, ensuring a precise fit and superior cutting performance. Built for heavy-duty use, these blades enhance airflow for improved grass discharge and a clean, even cut.