Defender Security U 10678 Steel Door Edge Hole Filler Plate, 1-1/8 In. by 2-1/4 In. , Stainless Finish (Single Pack) - Screen Door Hardware - Amazon .com
Amazon.com: Jikacok 6-inch Steel Plate With Holes. 6"x6"steel Plate Made From Premium 9 Gauge A36 Hot Rolled Mild Steel. Laser Cut Metal Plate With Smooth Edges. Weldable & Paintable Steel Plates. :