Manufactured from durable 6063-T6 aluminum, this 3" x 3" x 75" x 0.25" crossmember provides excellent corrosion resistance, lightweight strength, and long-lasting performance in marine environments. Its formed design supports trailer frame alignment while withstanding the rigorous demands of boat loading, transport, and launching. Perfectly suited for trailer repairs, replacements, or custom builds, it ensures reliable support for your adjustable aluminum boat trailer.