Martyr Medium Bolt On Hull Zinc Anode 5-3/4" x 2-1/2" by Martyr Sold out $21.28 SKU MTRZHC2 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out LENGTH: 5-3/4" WIDTH: 2-1/2" HOLE CENTER: 2-7/8"