High-quality materials: These mirror pens are made of high-quality materials. The nut is treated with wire drawing, which is waterproof, oil-proof and rust-proof. The seal is made of high quality copper or plastic soft rubber. Copper is not easy to corrode and has strong antibacterial properties. With plastic soft glue, non-slip. Stylish and Modern Appearance: The nut of this mirror bolt perfectly covers the exposed screw. In addition, the silver appearance and brushed finish make the screws more beautiful and make the mirror more elegant. Bold Screws: This mirror nail uses thick screws, which are durable and not easy to deform and break. In addition, it is a spiral shape, which is firmly connected with the object and is not easy to loosen Easy Installation: The installation method of this stainless steel mirror nail is very simple, just drill a 5mm hole in the glass, install the soft plastic disc and the copper disc, then tighten the screws and finally install the decorative