Specification Fit beam width(actual size):1-1/2", nominal size 2", for 2 x post Material: low carbon steel,Surface treatment: powder coating Thickness: 1.4mm/17 Gauge Hole diameter: φ4mm(For #8 screw) Color: black Product size: 110x49x62mm Package size: 17.5x11x7cm(8 package) Weight: 100g(net weight) 830g(8 package) Packing list: 8pcs black post caps tie bracket The 2x4 joist brackets are suitable for beam width actual size: 1.5", Nominal size 2'', Thickness: 17 Gauge Low carbon steel, powder coating Hole diameter: For #8 screw, Screw not included Pergola rafter brackets are ideal for use in pergolas, patios, balconies, fences, wooden houses, decks and other outdoor structures Packing list: 8pcs 2x4 black post caps tie bracket