Ingenious gripper snaps closed after graphic insertion grips graphics with incredible strength, torque and care patented! u.s utility patent # 6,637,716 U.S. design patent # d-424,120 sold as kits top & bottom crossbar with 2 universal hanging clips beautifully finished aluminum case designed to close easily after graphic insertion no pockets or graphic end treatments required ideal for large signage, reusable handsome textured matte black endcaps wide variety of hanging options available available with 2 universal hanging clips, standard also available adhesive backed (-ab). Specify when ordering custom lengths available colors*: -s satin silver -b matte black -ab, adhesive backed *does not affect price, but must use to order.