Dimension Outer Diameter of Lamp Shade Ring: 9.8/250mm Center Hole Dia: 7/16/11mm Wire Thick:0.14/3.5mm Please verify the size to ensure compatibility with your light fixtures before purchase. How to DIY Your Lampshade Step 1. Collect Supplies - Youll need a lampshade frame, strong glue or adhesive, and fabric of your choice. Step 2. Attach the Adhesive - Apply the adhesive evenly and securely to the frame so it bonds without bumps. Step 3.Measure and Cut Fabric - Size the material to wrap neatly around the frame and cut it to fit. Step 4.Wrap the Frame - Gently fold and press the material onto the adhesive until the frame is completely covered. Step 5.Finish the Lampshade - Remove extra material and smooth all edges.