UsageSide accessory mounts are used with both free-standing pergola kits and attached pergola kits to secure the sides of shade canopies (or lights or other accessories) to the wood beams of the pergola.Features 14-gauge steel (~2.0mm thick) Laser-cut, bent and welded Advanced weather coating technology to withstand extreme weather conditions Pre-drilled holes for securing mount directly over the holes in all brackets Includes stainless steel screws (1.5-inch #10 self-tapping wood screws with pan/round head painted black) for securing wood into bracket Reduces your pergola build time by as much as 75% Backed by a 5-year warranty Shipped directly to your doorstep from Boise, Idaho Dimensions & Specifications Width: 1.47 inches (37.5 mm) Depth: 0.5 inches (12 mm) Height: 0.33 inches (8.5 mm) Holes on each end: 1 Hole size: 0.3 inch (8 mm) - ideal for #10 size screws (included) - slightly bigger than the holes on other brackets to provide a little wiggle room Weight: 2 ounces Not included: wood posts