Donut Collars Donut Collars Donut anodes mount to the shaft with a stainless steel socket cap screw. A = Shaft Diameter B = Total Diameter C = Thickness
1in DONUT COLLAR ZINC
1-1/4in DONUT COLLAR ZINC
1-3/8in DONUT COLLAR ZINC
1-1/2in DONUT COLLAR ZINC
1-3/4in DONUT COLLAR ZINC
