Significant curb appeal. Adding beautiful decorative hardware is the most cost effective upgrade you can make to enhance your home.Arrange the hardware exactly where it looks best. Change you mind? Just lift and place in a different locationinstalls in minutes as the super strong neo magnets hold the pieces firm to the steel door surfaceno holes to drill that could compromise the door facering knockers 4" w, 6" h", hinge straps 16" l x 2, 3/8"w.