Quick-Sling QSWB2000 Wall Bracket, 14 - Gauge Steel, 6 Points of Anti-Vibration Isolation, 350 lb. Capacity, 25" Mounting Rails, 18" Height, 33.5" Width, 25.25" Length, Steel$$Tools & Hardware Other

25" Mounting Rails 14-gauge steel 6 points of anti-vibration isolation Completely adjustable from 0”-34” in width Mounting shelf is pre-slotted to quickly connect unitsYou may also like Pergola Bracket Kit 4x4, 2-Pack Heavy Duty Corner Brackets, Wooden Beam Post Base, DIY Gazebo Patio Pergola Hardware - Stable & Secure.