Use to support a wire mesh cable tray pathway along a wall. Installation requires two 3/8 inch flat washers and lag bolts; attach to a plywood backer board or wall studs; Triangle Support Bracket attaches under the tray. Tray attaches to the Triangle Support Bracket with two splice washers from the Splice Washer & Bolt Kit (P/N 34728-X01) or use the fold-over tab at the end of the bracket to secure the tray. Manufactured from steel; 1.6 inches W (41.3 mm), height and length vary. Zinc electroplate or black epoxy polyster powder coat paint finish. Sold individually.