The BRBAG is a 28" high Keel Bench which features a hot dip galvanized finish. Brownell Keel Benches help to save time and labor. They are quick to install and provide a wide 24" surface area to support boats with larger or smaller keels.It is recommended that you use one Keel Bench for every 20,000 pounds or 9,100 kilograms of vessel weight. A minimum of at least two Keel Benches should be placed on ground that is hard and stable in order to carry the boats weight.Brownell Keel Benches work with Brownell's top of the line products to create an unbeatable combination to protect and support your boat while it is in storage.