Martyr Small Bolt On Hull Zinc Anode 9-1/4" x 3-3/8" by Martyr $29.81 SKU MTRM25 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart LENGTH: 9-1/4" WIDTH: 3-3/8" HOLE CENTER: 3-7/8"