The lamp harp holder is made of metal, which is a kind of protective coating to prevent lamp harp from getting rust Pls Note: - Warm tips: Before buying, please make sure your lamp bulb base is E26 with Collar Ring (such as pictures), Lamp Shade Detachable HarpHarp and E26 Base Adapter Converter,7.5 Tall,I.D. 1-7/16 (36MM), please make sure the size is right for your lamp harp. -Detachable, The ball finial is easily screws on and off Style:Black+Bronze 1.Tall Size:7.5 inch,19CM 2.I.D.1-7/16 inch,3.6CM 3.Used for Lamp Socket:E26 Standard Package includes: 1 x Lamp harp 1x Ball lamp finial Note:Please make sure your lamp bulb base is E26 with Collar Ring (such as pictures),Dedicated to E26 lamp holder converter detachable lamp Harp Easy installation: this lamp harp is detachable and easy to be installed 7.5 inch (19cm) Tall,internal diameter 1-7/16 inch (3.6Cm),Tall:8inch=Harp 7.5inch+0.5inch Adapter Dedicated to E26 lamp holder converter detachable lamp harp,The Bulb Socket tall 2 inches, Bulb Socket equipped with harp,total tall is 8inch+2inch, so use for lampshade tall exceeding 10inch. Widely applied: Good for modern lighting fixtures and contemporary home decor styling. Color Bronze Shape Bulb Voltage 0.1 Volts Bulb Base E26 Lamp Type Table Lamp, Floor Lamp Brand Name RddenIy Style Name 8 Lamp Shade Holder Bronze Unit Count 1 Count Item Weight 0.11 Kilograms Finish Types Polished Manufacturer Reachno Model Number Reachno-E26-Harp-Adapter Power Source no Base Material Metal Is Waterproof False Material Type Metal Mounting Type Harp Shade Material Metal Lighting Method no Number of Items 1 Number of Pieces 2 Installation Type Tabletop,Freestanding Light Source Type no Additional Features no Included Components Lamp Harp Ball Lamp Finial Is Product Cordless No Indoor Outdoor Usage Indoor Number of Light Sources 1 Global Trade Identification Number 08414773232247