Easy to use Works with most lamps Decorative metal lamp shade finial of a STAR that measures 1 3/4" wide x 2 3/4" tall. It is an alloy material and the base is brass with antique brass finish. It has standard threaded finial hole (1/4-27) that works with standard harp (lamp bracket). If you need this to work with lamp pipe (standard 3/8" outside diameter) then you will need to buy a reducer. Like Amazon item #B07XPDF481.