Newhouse Lighting Metal Lamp Guard for Pendant String Lights and Lamp Holders, Single Pack Very sturdy 16-guage metal wiring Vinyl coated to prevent weathering rust and heat absorption Fits most string lights, porcelain and plastic lamp holders with standard base Very cool to use as descorations in industrial and urban-type settings Works great with energy saving Newhouse Lighting Vintage Edison LED Filament Bulbs for an antiquated old fashion look