The economical way to fasten your boat, these fiberglass Whips are exceptionally strong, attractive and will not obstruct your waterfront view. Acting as a spring, each whip is comprised of solid, fiberglass rod. Durable cast aluminum bases with a tough 3/8" thick mounting footprint and molded-in cleat, ring and thumb screw for securing the whip into position. Unaffected by UV, each whip also includes a unique tip with functional roller to allow easier access to your boat. Each whip is constructed to the most rigid specifications and is of the highest quality, Patented materials.