National Hardware 1176BC Series N351-506 Corner Brace, 6 in L, 3 in W, 6 in H, Steel, Powder-Coated, 1/8 Thick Material

Used to reinforce 90 deg angles with miter joint by applying to the side of the angle. 5/8 in Dia hole. Plate width and bolt hole locations provide options for structural support. Black powder coat finish for improved weather resistance.