National Hardware N351-454 Mending Plate, 3 in L, 1.3 in W, 1/8 in Gauge, Steel, Powder-Coated

Used for reinforcing two miter joint pieces that create a 90 deg angle. Clearance for 5/16 in bolt or 2 nails per side. 45 deg hole pattern for nails provides easy installation option. Black powder coat finish for improved weather resistance.