Tight fit: designed with a 57mm outer diameter, 40mm inner diameter and a slim 9mm profile, this reducer ring provides a seamless connection between e27 lamp bases and a variety of smaller lampshades. Reliable material: this lampshade screw ring is made of hard white plastic, carefully designed to prevent deformation and cracking over time. its sturdy construction supports repeated use of your lighting fixtures. Installs in seconds without tools: this adapter ring features molded internal threads that easily hand-tighten to compatible light sockets. the simple screw-on design is designed to make installation quick and easy, requiring no additional tools or expertise. Versatile compatibility with a variety of light fixtures: this e27 reducer ring is ideal for use with table lamps, pendant lamps, floor lamps, and wall sconces, helping to bridge the gap between different lamp and shade combinations. it can provide practical solutions to create shake-proof lighting displays for your home. Multi-pack value for various projects: each order includes six identical reduction rings, providing ample quantity for upgrading multiple lights at the same time. whether you're standardizing lighting in a room or tackling multiple diy projects, this kit is designed to provide convenience., Weight: 0.0881849048 Pounds, Manufacturer: Czdtq