This metal lampshade adapter ring is for those looking to upgrade or repair their lighting fixtures. The 1-1/2 inch threaded diameter makes it compatible with medium base ceramic sockets, including E26 and E27 types. Simply screw the ring onto the to securely hold your lampshade in place. It's an essential component for creating custom lighting solutions in homes, offices, or commercial spaces. Features -Color:White -Material:Iron -Size: 5.50X5.50X4.00cm/2.16X2.16X1.57in - fit: this lampshade ring is compatible with multiple types, including e26 and e27 ceramic/porcelain sockets, ensuring broad usability across different lighting fixtures -Precise threading: this ring provides a precise and secure fit, preventing any wobbling or instability in your lampshade setup -Robust construction: crafted from sturdy metal, this lampshade ring is designed to withstand wear and tear, offering a reliable solution for your lighting needs over time -User friendly design: the straightforward installation process of this lampshade ring makes it accessible for anyone to use, eliminating the need for complex tools or assistance -Enhances decor: this lampshade ring not only functions effectively but also enhances the aesthetic appeal of your lighting fixtures, contributing to a more stylish and cohesive home decor Package list: 1 lampshade collar