SET OF 3 20 1/2" USA BLADES Center Hole Dia: 1-1/8"Direction of Cut: RightLength: 20-1/2"Thickness: .240"Width: 2-1/2"3 blades for the 60" cut. Tractor models B2150, B1750, B7100HSD, B1550, FZ2100, FZ2400, G1900, G2000With deck models: RC60-21B, RC60-71B, 60B, 60F221 & 60G0