National Hardware 1212BC Series N351-483 Corner Brace, 1.6 in L, 3 in W, 1.6 in
National Hardware 1212BC Series N351-483 Corner Brace, 1.6 in L, 3 in W, 1.6 in H, Steel, 1/8 Thick Material. Used for reinforcing 90 deg angles by applying to the inside or outside of the corner. 3/8 in Dia holes.