Image 1 of 2 Image 2 of 2 4″ Donut Collars for Shaft $85.25 Outer Diam (IN):6 1/2, Width (IN):1 1/2, Shaft (IN): 4 Add To Cart Added! Outer Diam (IN):6 1/2, Width (IN):1 1/2, Shaft (IN): 4 You Might Also Like Quick View 2" Donut Collars for Shaft $50.75 Quick View 2″ Donut Collars for Shaft $50.75 Quick View 3 1/2″ Donut Collars for Shaft $85.25 Quick View MC-17 Large Commercial Donut Collar $127.00 Quick View 70MM Donut Collar for Shaft $98.07 Sold Out