These lampshade adapter rings are versatile and can be used to attach lampshades to a spider lamp harp. They are widely used in table lamps, pendant lamps, floor lamps, bedside lamps, wall lamps, and other lighting fixtures. They are suitable for lighting accessory replacement and repair in homes, offices, hotels, bedrooms, kitchens, and other locations.SpecificationMaterial: Plastic(PP)Color: WhiteOuter Diameter: 48mm/1.89"Inner Diameter: 10mm/0.41", 29mm/1.14", 36mm/1.42"Total Width: 59mm/2.32"Packing List: 12 Pcs x Lamp Shade Adapter RingAdvantageThe lamp shade ring is made of good-quality, durable PP plastic, making them sturdy, tear-resistant, heat-resistant, and long-lasting.