- Adjustable Height Function: This lamp holder is designed for a variety of experimental setups, featuring an adjustable height range of 14 cm to 21.5 cm (5.51 inches to 8.46 inches). This flexibility allows you to meet diverse heating requirements with ease. - Versatile Usage: Perfect for middle school laboratories, this adjustable lamp stand supports beakers and other lab equipment during heating processes, ensuring stability and safety throughout your experiments. - Included in the Package: The package comes with one adjustable stand, specifically designed to enhance laboratory functionality with its practical features and user-friendly design. - Craftsmanship: The stand is meticulously crafted with a smooth, burr-free surface, providing a stable structure that is both safe to use and easy to handle during experiments. Use Scenarios: 1. Set up a controlled heating experiment in a chemistry class, confidently supporting various glassware at the desired height. 2. Utilize the stand during a physics lab to demonstrate thermal expansion, securely holding equipment at different heights for accurate observations. 3. Employ the adjustable lamp holder in a biology lab to heat samples, allowing for precise temperature control while ensuring safety and stability.