Minimal space requires maximum organization. The STEELMASTER Slot System attaches to cubicle walls to free up valuable desk space. You can also use the Slot System around the house by simply mounting the unit on your garage or workshop wall. Sleek and attractive, the STEELMASTER Slot System allows you to mix and match colors and accessories for endless organization configurations. Made of durable steel with a scratch-resistant powder coating, the Slot System attaches to partitions with the adjustable partition hangers; you can also hang the system on walls with the predrilled holes. The Slot System is modular in design with a large array of components. NOTE: This item is for the PAPER TRAY piece only. This paper tray attaches to the Slot System base and is ideal for housing files or papers. Base and additional accessories are sold separately. Made in the USA with more than 50% recycled content, this is a "go-green" product. Serving the retail, specialty, hospitality, and banking Industries, STEELMASTER products are built to perform and made to last. Each STEELMASTER product is constructed of sturdy, heavy gauge material that is designed to stand up to daily use.