The screw-in lamp base holder is essential components for any lighting repair or upgrade project. These holders are designed to provide a secure and stable connection for your light bulbs, ensuring reliable performance and safety. Their easy installation process makes them a convenient choice for both professional and DIY use, offering a for various fixtures. Features -Color:Black -Material: , alloy -Size:5.70X5.70X5.30cm/2.24X2.24X2.08in -Note: E27 -Easy installation: the lamp holder design ensures a quick and straightforward installation process, making it convenient for users -Stable design: this lamp holder provides a secure and stable fit, preventing any loosening or instability -Versatile use: suitable for various indoor environments such as homes, offices, shopping malls, and hotels, catering to different lighting needs -Efficiency enhancement: save time and effort by replacing just the lamp holder instead of the entire fixture, boosting productivity -great and reliable: made from great materials, this lamp holder is built to last, offering resistance to corrosion and extended use Package list: 5 x lamp socket