L-Brackets mount directly to wall for overhead mounting. Corrosion-resistant plated finish. Fasten QUICK TRAY PRO to bracket with one QTPSSW3/QTPSSW3BLK Splice Washer and one QTPBNWK/QTPBNWKBLK Splice Kit on sizes up to 8 in. (203 mm); use two on 12-in. (305-mm) trays. 12-in. L-Bracket. Pre-galvanized.