COMPATIBLE WITH RACK 111: Designed specifically for RackSolutions Rack 111 Open Frame Racks PDU MOUNTING MADE EASY: Allows button mount PDUs and accessories to attach securely VERTICAL CABLE MANAGEMENT BAR: Mounts directly to the included vertical cable management bar on 16U-44U Rack 111 sizes INCLUDES HARDWARE: Comes with two brackets and all necessary mounting hardware for quick installation DURABLE AND RELIABLE: Built with strong materials for long-lasting support of mounted accessories