HIGH QUALITY:The Heavy Duty Door Stopper is Constructed of High Quality SUS 304 Stainless Steel, Solid, Sturdy and Rust-Proof Strong Magnetic - The Magnet is strong enough to hold and stop the door, protects your walls from unsightly damage and conveniently holds your door open. Disengages by gently pulling door away from the door stop.EASY INSTALLATION: Including mounting screws and anchors STRONG MAGNET - The magnet is strong enough to hold and prevent the door from swinging shut on their own, protecting your wall from unexpected damage and conveniently holding your door open. WIDE APPLICATION - The safety door stopper combines simplicity, beauty and durability for perfect use in bedroom, living room, bathroom, shower room, kitchen, garage and office. Product Quantity: 1 set Product color: silver Product size: 48mm aperture 5.5mm