Designed to add stability and more support to your railing system, this 37'' (94cm) Inside Rail Brace attaches the railing post or pickets to the surface of the substrate. Its high-strength aluminum construction that exceeds national building codes and its high-quality powder coated finish provides maximum durability and minimal maintenance. Installation is quick and easy. Includes 4-color matches screws. 20-year warranty on material and 10-year warranty on finish.