【Dual E27 Lamp Holders】: This 2-pack set provides versatile solutions for converting ceiling and wall light fittings to accommodate different bulb types; The screw-in design ensures secure installation for stable lighting performance【Premium Bakelite Construction】: Featuring durable bakelite shells with robust internal components, these adapters offer reliable conductivity and long-lasting use; The material resists heat and wear for extended durability【Easy Bulb Conversion】: Quickly adapt your existing E27 ceiling rose or light fitting to support various bulb types; Ideal for DIY enthusiasts and homeowners looking to upgrade their lighting setups without complex wiring【Compact & Practical Design】: Measuring 7.5 cm in base width, 7.2 cm in height, and 5 cm in mouth diameter, these adapters fit discreetly into most ceiling and wall light fixtures; The lightweight design simplifies installation and handling【Versatile Lighting Solutions】: Perfect for adjusting pendant lights, ceiling fans, or workshop fixtures; Provides flexible options for temporary lighting setups and permanent installations in living spaces, garages, or storage areas