American Metalcraft (TR18) 18&rdquo; Stainless Steel Ticket Rack This ticket rack has marbles inside the groove to keep the tickets in place Made of stainless steel material The rack has plastic end caps with screws to hold the marbles in The rack is created from durable materials that attaches easily to a wall or shelf Marbles sit inside the rack so that pieces of paper may be slid effortlessly into the opening without clips or spindles