QualityParts From Oregon That you can depend on. Center hole: 5/8": Requires 3 blades for 48" cut; Enhanced mulching for bagging and discharge efficiency; Stays sharp and durable for longer; Fits Snapper Models: PMA480, Pro Series 0, Pro 7 Series 0,1,2,4; ; Oregon Equipment Parts 92-036 Blade Toro 16-1/2In[403]