High QualityThe E27 lamp holder has passed CE certification and is made of bakelite. It has the characteristics of fire resistance, heat resistance (up to 180C) and corrosion resistance.Classic DesignThe old-fashioned solid bakelite black socket , with an antique and industrial look, can be perfectly matched with bulbs of different shapes and colors. Add a 40mm diameter lampshade and adjust the wire length to achieve different decorative effects.ParameterDiameter 3.9cm, height 5.4cm, center hole diameter 1 cm, outer tooth height 2.1 cm, outer ring diameter 5.6 cm. Rated voltage: 250V, Rated current: 4A, Heat resistance temperature: 180 .Ideal for lighting fixtures in various occasions, retro pendant light, canned jar light, lamp mount and more.ApplicationThe bulb holder is suitable for all E27 lamps: LED incandescent lamps, halogen lamps and energy saving lamps (up to 60W). It can be used for DIY chandelier, living room, kitchen, dining room and office decoration etc.NoteBecause the lamp cap and the lamp shell have buckles, please do not tighten before installation, because the lamp cap is not easy to open after tightening.