If you're working in a lab, you know how important it is to have the right support for your flasks. This plastic lab flask support stand has a 90mm diameter, making it a handy choice for various flask sizes. It's designed to keep your flasks stable and secure, so you can focus on your experiments without worrying about spills or accidents. Lightweight yet sturdy, this stand is perfect for everyday use, whether you're in a busy lab or working from home.