Adaptable lampshade Usually used with E27 vintage Edison bulbs and for pendant lighting. brass lamp holder is a great addition to any stylish space with an exposed vintage bulb, providing ambiance and a taste for vintage fixtures. ON/OFF Switch The bulb socket with switch can be used for lamp attachment or replacement. ON/OFF switch for screw bulb socket with switch can be used for lamp attachment or replacement. Easy to install Made of aluminum, support 110 - 250V, heat resistant temperature up to 600. easy to assemble. you just need to unscrew the base to access the two wire connections inside. Perfect for restoring old lamps and lights or preparing light fixtures. DIY Fun With the antique and industrial appearance, this vintage socket is compatible with E27 medium base bulbs and especially Edison series bulbs, suitable for decorative DIY pendant lighting projects. Model: Lamp holder BaseE27 Color: Pearl Black Red Copper Size: 38*90MM Weight:90g Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin