Camp Company Donut Collar Zinc Anode 1-1/4" by Camp Company $14.53 SKU CAMC5 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Shaft Size: 1-1/4" Outside Diameter: 2-1/2" Width: 1-1/4" Copper contact for permanent ground