Features: 1. Made of aluminum alloy, durable, not easy to fade and oxidize. 2. High-grade gold-plated surface, beautiful and not easy to scratch. 3. The underside is provided with shock absorber and anti-slip rubber. 4. The damping rubber ring is detachable. 5. Installation method: It can be installed from the inside of the chassis, or it can be installed from the outside of the chassis with self-tapping screws (for wooden materials, self-tapping screws need to be self-contained), or double-sided adhesive can be used (purchased by customers). Specification: Color: black, silver, gold (optional) Material: aluminum alloy Surface treatment: Anodized blasting does not fade Diameter: 50mm / 2.0in High: 15mm / 0.6in Screw hole diameter: 4.5mm / 0.2in Weight: approx. 73g Package List: 1 * Feet Pad