High-quality material: rust-proof and durable. The gaskets are made of high-quality copper and plastic soft rubber. The plastic soft rubber has a locking and non-slip effect. Bold screws: This mirror nail uses thick screws, which makes it durable and not easy to deform and break. Its appearance is spiral, and it has a strong bonding effect with the object and is not easy to loosen. Easy to install: drill holes in the glass, install the soft plastic washer and the copper washer one after the other, tighten the screws, and finally install the plug at stainless steel screws. Package Content: This set of mirror nails includes 20 sets, each containing four parts: screw cap, screw, copper ring and rubber ring. Wide Application: These decorative caps are widely used in mirrors, coffee tables, bathroom panels, cabinets, glass panels and other wooden or glass furniture. Features: 1. These screw caps are made of pure copper, brushed surface. Rust resistant and durable. 2. The screw covers are