Material: Flame-retardant plastic will not rust, have strong insulation, high temperature resistance, and aging resistance to ensure safe use.
Dimensions: inner diameter 1-3/8inch (32mm), outer diameter 2-1/8inch (54mm)
Read before buying: Please check your lamp size carefully. This lamp holder ring accessory is only compatible with E26 threaded lamp holders with a diameter of 1-3/8 inches, but it is not suitable for all E26 threaded lamp holders.
Easy to use: Use this ring to fix it, and you can install a beautiful shade on the lamp without electrician installation, making everything easy and simple.
The package includes: 6 packs of lampshade ring adapters.