This E17 square lamp base with a screw socket is designed for various lighting applications. Its compact and square shape makes it ideal for showcasing and displaying lights. The lamp base is crafted from durable materials, ensuring performance. It is good for lighting projects, providing a reliable and stylish foundation for your custom light fixtures. Features -Color:White -Material: -Size: 4.00X3.50X2.40cm/1.57X1.38X0.94in -Unique design: the e17 square lamp base with screw lamp holder adds a unique touch to your lighting fixtures, showcasing your personal style -Convenient lighting accessory: the e17 flat base display stand is a practical accessory, making it easy to replace and upgrade your lighting fixtures -Secure screw lamp holder: featuring a screw lamp holder design, this base ensures your lighting fixtures remain stable and secure, preventing loosening -Durable material: made from durable material, this lamp base is durable and reliable, ensuring use without damage -Versatile applications: suitable for various lighting fixtures, this base can be used in homes, commercial spaces, and more, meeting diverse needs Package list: 4 pcs x 2pcs lamp holders