Mini Bulb Holder DIY Physical Circuit Electrical Experiment Lighting Accessories Screw Type Light Socket Mounting Bracket Round Lamp Base

• MATERIAL - Made of high quality Bakelite shell and brass contact, flame retardant, high temperature resistance, good conduction performance, low resistance, much safer to use.
• STRUCTURE - Consist of plastic screw bulb base, brass screw socket, Easy to install, there are two mounting screw holes, which can be easily fixed on a flat surface where you need.
• USAGE - Mainly used in electrical experiment of middle and primary school. It is a necessary electrical consumable material for primary school science, middle school physics laboratory and students' h