Hanging Ceiling Bracket Helps You Create Custom Cable Management Schemes The Tripp Lite SRWB18CROSSBRKT is a black powder-coated metal cross-bracket that allows you to hang wire mesh cable tray from the ceiling of your data center, network closet or industrial space. It attaches to the ceiling with user-supplied hardware and then effortlessly snaps into the wire mesh. For best practice, tray support is recommended approximately every five feet. Designed to Work with Tripp Lite Wire Mesh Cable Trays This bracket is compatible with 450-millimeter cable trays (Tripp Lite's SRWB18410STR) and M6, M8 and M10 threaded rods (not included).