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 functional tip to allow easier access to your boat. Each whip is constructed to the most rigid specifications and is of the highest quality Patented materials. Available in 8 Ft. and 12 Ft. sizes for craft up to 23 Ft. And up to 4000 lb.