Inserted into the bottom of the profile. Adds 11mm to profile height and provides additional 15mm adjustment maximum. 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.