High-quality material: rust-proof and durable. The joints are made of high-quality copper and plastic soft rubber. The plastic soft rubber has a locking and anti-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 copper washer one after another, tighten the screws, and finally install the stainless steel screw cap. Package contents: 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. Mirror screw covers can fix