Usage Tips:This lamp holder is designed to meet standards and is made of stable plastic material. It is compatible with commonly used light bulb specifications, making it easy to find a suitable bulb for your needs. The lamp holder is easy to install and replace, allowing for easy maintenance. Features -Color:Black -Material:Plastic -Size:7.20X5.00X5.00cm/2.83X1.97X1.97in -Topper Diameter:20mm -Screw:M10 -Socket:E27 -This lighting fixture displays a timeless beauty that is achieved through its stable construction, which has a classic and elegant appeal that never goes out of style. -The E27 socket of this lamp holder make it compatible with various types of light bulbs, allowing for flexibility in terms of lighting options. -The pull chain of this lamp socket provides a convenient and to turn the light on and off, making it a user-friendly solution. -This lamp base is suitable for both residential and commercial use, making it a versatile lighting option that can be used in a variety of settings. -The excellent heat dissipation of this lamp holder ensures that the light bulb has an extended lifespan, making it a practical lighting solution. Package list: 1 x Lamp Holder