Designed for versatility, these lamp holders are nice for DIY enthusiasts and professionals. The sturdy material ensures performance, while the screw-in mechanism provides a fit. Whether you're repairing a lamp or creating a lighting fixture, these holders offer a reliable solution for your electrical needs. Features -Color:Multi -Material:Brass, Plastic -Size:23.00X1.50X1.50cm/9.04X0.59X0.59in -Reliable bulb fit: ensures a secure and stable connection with bulbs, optimizing lighting performance for home or laboratory environments -Durable construction: crafted from brass and plastic for durability and conductivity, minimizing heat generation and extending the lifespan of connected bulbs -Quick to change design: features a socket for fast and simple bulb replacement, streamlining maintenance tasks and saving time -Multi use functionality: nice for diverse applications, including home lighting projects, lab experiments, and educational setups, enhancing adaptability -Pre-wired convenience: comes with attached wires for easy installation, reducing setup time and ensuring a neat and organized electrical configuration Package list: 12 x screw lamp holders