Fifteen pound, cast iron river anchor 9948B1. High-quality, gray iron casting with aluminum painted finish. River anchors catch and hold river bottoms where mud, rocks, stumps, and brush are present. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.