Magnetic Doorstop Holder. Get more out of your doorstop: Protect your walls and doors and keep a door open when needed with a magnetic doorstop holder. Dual function holds door open and gently releases with a simple pull while acting as a doorstop. Made from Tarnish-FREE and Maintenance-FREE Zinc alloy with a black nickel finish. Mounts either to the FLOOR or WALL. Concealed back plate HIDES unsightly screws, hardware included. Measures 2 3/4 in. projection.