The light shade ring is a good replacement to mount your lampshades. Use in the light holder of desk lamps, floor lamps, dining-room lamps, chandeliers, bed lamps, counter lamps, etc. Specifications: Material: Plastic Overall Size(Dia*H): 43x8mm/1.7x0.31 inch Inner Diameter: 27mm/ 1 inch Packing List: 3pcs x E14 Lamp Shade Ring Advantage: The light shade ring is made of great plastic material, high-temperature resistance and high and strong insulation, durability, firm and not easy to fall off. Instruction: Easy to use, it is a good replacement to replace missing or broken lamp rings. Note: Please note that this socket ring only fits for E14 threaded lamp holder with a diameter of 1-1/2"(27mm).