This screw base bulb holder is designed for small light bulbs, making it an essential accessory for DIY lighting projects. Its compact size and round base make it great for various applications, including physical circuit experiments and home lighting setups. The holder ensures a secure fit for your bulbs, providing reliable performance and easy installation. Features -Color:Black -Material:Plastic -Size:3.00X3.00X2.00cm/1.18X1.18X0.79in -Versatile use: ideal for electrical and physical experiments, this product can be used as a small lamp holder, screw base, mini light bulb, and more, meeting various experimental needs. -High brightness: provides high brightness lighting, effectively offering ample light to meet diverse illumination requirements. -Flexible design: the product features a flexible design that is easy to use and carry, making it suitable for various settings such as laboratories, classrooms, and homes. - and reliable: built to last, this product is and reliable, ensuring longterm use without easily getting damaged. -Sufficient quantity: comes in a pack of many pieces, providing enough pieces for your daily use and replacement needs. Package list: 20 x small lamp holder