SM8118WSeaSucker Hook Rack, White Model: SM8118W On the boat or in the camper, more hanging storage space is always welcome. The Hook Rack provides eight hooks along 16.5" of horizontal hanging space for anything from your favorite baseball cap to tote bags laden with sundries and snacks. The powerful 6" vacuum mount securely attaches to almost any smooth, rigid surface. The hooks are made of high strength, high durability HDPE for a lifetime of use.