National Hardware 1157BC Series N351-501 Corner Brace, 6-1/4 in L, 3 in W, 6-1/4 in H, Steel, Powder-Coated

Used for reinforcing 90 deg angles by applying to the inside or outside of the corner. Slots for 1/2 in carriage bolt. Larger bolt holes provide options for structural support. Chamfered corners provide decorative look. Black powder-coat finish for improved weather-resistance.