Adopting zinc alloy material, which let you use for a long period of time. Adopt multi-layer casting process, one-piece molding, the excellent workmanship of our product will bring you a better using experience. With peephole design, can help you identify the visitors, very safe. Features - ColorSilver - Material: Zinc alloy. - Size: 14.60X7.60X1.70cm;/5.74X2.99X0.67in; - Note: brushed type. - Used on front doors to view from inside the the peephole design, much safer. - It is made from zinc alloy material for long time and durable use, this can offer you long time using. - It has a simple design, but practical in use, giving you a for your home, hotel or any other places. - With nice and classic color, delicate shape, can also have good decorative effect to your door. - Smooth surface and nice polished, not easy to rust or corrosion, neat and generous, so don't need worry about harm your hand. Package list: 1 Knocker