Effortless Installation & Universal Fit:Precisely sized for standard doors (wood/metal/glass), no cutting required - installs in 3 minutes with included commercial-grade screws. Scratch-Resistant & Zero Maintenance:surface resists scratches, fingerprints, and weathering - rinse clean with water, no polishing needed. Ultimate Door Protection Against Pets & Wear:Reinforced design stops pet scratches and door abrasion, protecting your door's finish for years. Heavy-Duty Metal for Indoor/Outdoor Use:Aerospace-grade Metal with anti-corrosion coating withstands -30C to 80C - ideal for garages, warehouses, and exterior doors. Invisible Defense, Pristine Appearance:Matte finish blends seamlessly with doors, maintaining a sleek look while blocking dirt and stains. Colour: Silver Material:Metal size:8 x 36inch Package Contents: 6 * Long convex plate 2 * short convex plate 2 * concave plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.