Fits both vertical and horizontal tower bars at virtually any angle Hold 1 surfboardTower Clamp Size Available: 1 1/2", 1 3/4", 1 7/8", 2", 2 1/4", 2 3/8", 2 1/2"Bungee cord for secure board fitMade from Billet AluminumSoft rubber inserts for secure tight board protectionSwivel mount that can be adjusted horizontallyPolished,Powder coated,Anodized finish available Surfboard Rack