Aspen Creative offers a DIY drum lamp shade rings. Package includes 4 rings to create 2 lamp shades - 2 top rings with with US style spider fitter and 2 bottom plain rings. Top lamp shade ring is brass plated and bottom lamp shade ring is galvanized. Each ring is 10 inches in diameter and 3.55 wire. Top ring has a 7/16 inch fitter designed to attach to a lamp harp. This do-it-yourself kit is used to create a drum/cylinder lamp shade using fabric, paper or any material of your choice. Package is lamp shade rings only, lamp harp and fabric material not included.