Can be used to secure Slim to the back wall, or straight up to a flat ceiling. Eureka SLIM is a chic, modular shelving system. The aluminum tubing can be cut-to-size and is easily affixed to the floor, ceiling, and walls via the correct attachments in any formation you can imagine. Add shelves, closet rod holders, and cabinetry to truly make SLIM your own. Fully customize shelving in any room of the house and get the most out of your space! Made in Italy.