Made of durable galvanized steel with a protective cover to keep your board safe and ding free. Utilizing a 180 degree bend the COR Ceiling Rack securely stores and displays your Stand-Up Paddle Board to the ceiling without complicated straps or cables. The rack opening is 10-1/2”. The COR ceiling rack will hold any size SUP.Easy to install. Set includes two arms, screws and easy-to-follow instructions.