Fence Bracket for Square Rail Fences. Fastens Wood to Wood, Wood to Steel. Great for Fence Buiulding projects. High Tensile Galvanized Steel. Fasten with up to 6 nails or screws on each surface. Pre-drilled holes make installation easy. Can also be glued to Wood or Steel with suitable Glues. The High Tensile Steel is Grade 550 for a tougher, stronger bracket which is much harder to bend or breakout drill. The High Tensile Steel also allows use of thinner 20 Gauge Steel instead of the thicker and softer 12 Gauge Mild Steel.