This plastic outer ring is specifically designed for use with G9 lamp holders, providing a secure and stable connection for lamp shades. The durable plastic construction ensures durability and heat resistance, making it suitable for various lighting applications. Its threaded design allows for easy installation, enhancing the overall functionality and appearance of your lighting fixtures. Features -Color:Silver -Material:Aluminum Alloy -Size:2.70X2.70X1.00cm/1.06X1.06X0.39in -Size:2.00X2.00X1.00cm/0.79X0.79X0.39in -Firm connection: the outer ring design ensures a firm connection, preventing the lamp holder from becoming loose -Convenient threading: the threaded outer ring design simplifies installation and removal -Extensive compatibility: ideal for g9 lamp holders, providing extensive compatibility -Decorative touch: the meticulous craftsmanship adds a decorative touch, enhancing the lamp's overall look -Easy to install: compatible with various halogen lamp models, installation is straightforward and requires no special tools Package list: 6pcs Lamp Holder ring