FeaturesDesigned to secure lampshades firmly to E27 lamp holders, this collar ring helps reduce oversized shade openings for a stable and well-aligned fit.Made from durable quality bakelite, it is strong, heat-resistant, and not easy to deform, ensuring long-lasting performance in everyday lighting use.The lightweight and discreet design blends seamlessly with most lampshades, providing a clean and professional finish to your lighting setup.Easy to install with no tools required simply place the collar ring and tighten to fix the lampshade securely onto the lamp holder.Suitable for use with table lamps, floor lamps, pendant lights, ceiling fixtures, and bedside lamps in both home and commercial settings.SpecificationType: Lampshade Collar RingMaterial: BakeliteApplication: Indoor UseCompatible Socket: E27Package Included20 × Collar Ring.