HERO Plaques are a great way to honor the Heroes in your life! They are stainless steel, chrome plated 10 ½ x 13. All plaques have a recessed area for 6 7/8 x 2 5/8 inch plate size. Plaques include a keyhole and are ¼ inch thick. They come in 8 styles- Army, Navy, Air Force, Marine Corps, Firefight, EMT, Police and Sheriff.