RuiLing 4-Pack E27 Lamp Holder Screw Type Bulb Socket Plastic Light Beads Lamp Bases For Student Experiment DIY Lighting

Basic info: Product name: Bulb Holder Base type: E27 Material: Plastic, pure copper Color: Black Feature: Material: Made of high quality material, round black plastic base, copper screw socket, more convenient and durable to use. Purpose: It is mainly used in electrical experiment of middle and primary school. It is a necessary electrical consumable part for primary school science, middle school physics laboratory and students' home laboratory. Application: This product is a commonly used old flashlight accessories lamp holder, DIY popular science equipment in physics teaching, and car light DIY accessories etc. Package includes: 4x E27 Bulb Holder