Designed for durability, the E14 screw fitting lamp holder is suitable for aging tests and other demanding applications. Its round shape and sturdy build ensure a secure fit for E14 bulbs, making it an essential tool for both home and industrial lighting projects. This lamp holder offers a practical and efficient solution for all your lighting needs. Features -Color:Black -Material:Plastic, metal -Size:4.00X4.00X2.80cm/1.57X1.57X1.10in -High durability: crafted from durable materials to ensure longterm use and resistance to damage -Wide application: compatible with e14 screw base bulbs, suitable for various lighting fixtures and environments -Simple installation: easy to use design for quick and straightforward installation and bulb replacement -Consistent use: rigorously tested for aging to ensure stable and useful product -Attractive and functional: round design that offers a pleasing appearance and practical functionality Package list: 12 x Bulb Holder Socket Base