The bulb holder is made of plastic, ensures performance and reliability. Its compact design makes it easy to carry and store. Suitable for physics teaching and scientific research experiments, the bulb holder is a valuable tool for various experiments. Features -Color:Black -Material:Plastic -Size:3.00X3.00X2.00cm/1.18X1.18X0.79in -Socket: -Rated voltage range: Below 50V -Miniature bulb holder is versatile experimental kit, perfect for physics laboratory electricity connection. -Enhances understanding of electrical circuit principles through series and parallel experiments. -The bulb holder is sturdy and well made, crafted from plastic for lasting use. -Ideal for conducting electrical physics experiments, this lighting accessory is a must-have for any laboratory or classroom. -The bulb holder is suitable for physics teaching and scientific research experiments. Package list: 10 x bulb Holders