Fortress Marine Anchors Fortress FX-55 32lb Anchor f/52-58' Boats Free shipping for all orders over $50.00. 30 days returns. Sign up for great deals with Fishbrain Pro. Share Loading Facebook Like button... Fortress Marine Anchors Fortress FX-55 32lb Anchor f/52-58' Boats Free shipping for all orders over $50.00. 30 days returns. Sign up for great deals with Fishbrain Pro. Share Loading Facebook Like button...