Krypt Dual Surf Tower. Premium black powder coated 6061 aluminum double surfboard rack with rubber bumpers to protect the boards. This board rack holds 2 surfboards. Finger opening is 5.72 cm. The clamp will be mounted at different angles on the backing plate to fit on the water plate tower tube at any angle. This rack has spring cords to hold the boards in place. Features: Tower clamp dimensions: 4.45 cm, 4.45 cm, 5.72 cm, 6.35 cm, 6.35 cm, 6.35 cm, 6.35 cm Holds 2 wakesurf boards Black powder coated billet aluminum alloy angle bracket, 360 degree adjustable, suitable for vertical and Horizontal tower pole for almost any angle, bungee cord to secure board, soft rubber padding for safe tight protection, keeps your board off the ground and protects 2 surfboards