Check the listing for details. 20pcs Screw Covers Caps, 12mm Dia Brass Flat Mirror Screws, Polished Silver. Condition: New. Listed at 15.52 USD. Description:Material: Mirror nails are made of brass that resists daily corrosion and tarnish. The deep and even threads on washers ensure a secure fit and prevent the caps from falling off; the flat and smooth backside prevents scratches on the mirror or wall during installation.Decorative and Functional: Mirror screws are decorative yet functional that concealing exposed screws or mounting holes, adding a refined aesthetic while blending seamlessly with your decor, giving furniture and spaces a new look.Easy to Use: Each set of decorative screws comes with a washer, screw, and decorative cap. Simply pre-drill a small hole in the wall for easy installation. The caps open and close smoothly, making them easy to adjust or maintain later.