Camp Company Hull Plate Zinc Anode B12 9" x 4-1/2" by Camp Company $68.14 SKU CAMB12 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Tapered zinc anode with two cast-in 7/16" I.D. Bronze bushings Nominal Weight: 9 lbs. LENGTH: 9" WIDTH: 4-1/2" HOLE CENTER: 5" Thickness: 1-1/8"