Usage These 45° angle 2x4 rafter brackets are used to insert 2x6 wood slats at a 45-degree angle (i.e. diagonally) between two perpendicular pergola beams. Most commonly, these 45° angle rafter brackets are used with triangle-shaped corner pergolas and other irregular-shaped pergolas. Steel Pergola Bracket Features Made with premium 14-gauge steel (~2.0mm thick) Made for dressed lumber commonly called 2x6s (actual dimensions are 1.5” x 5.5”) Laser-cut, bent and welded Advanced weather coating technology to withstand extreme weather conditions Pre-drilled holes for securing wood and accessories to bracket 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: 5.83 inches (148 mm) Inside dimensions of channel: 1.65 x 5.67 inches (42 x 144 mm) - made for 2x6 wood slats (which measure 1.5 x 5.5 inches) Length of end plate: 1 inch (26 mm) Holes on end plate (secured to roof beam): 2 Holes on inside wall: 2 Holes on outside wall: 0 Hole size: 0.25 inch (6.35 mm) - ideal for #10 size screws (included) Weight: 1 pound Not included: wood posts