Features Durable and high quality: Our three-prong adjustable laboratory stand tube flask clamp is made of durable metal material, ensuring a long service life and reliable performance for your laboratory experiments. Multifunctional and Adjustable: The three-jaw rotating clamp has an adjustable rotating extension design, allowing you to easily adjust it to fit different sizes of flasks and test tubes. This versatility makes it the perfect choice for a variety of laboratory applications. Safe and Scratch-Free: The swivel clamp lab holder features a rubber-coated head and plastic-covered tips that provide a secure grip and won't leave any scratches on your valuable lab items. You can trust it to hold your flasks and test tubes securely in place. Easy to install: The adjustable clamp base can be easily fixed to the edge of the laboratory table or any other suitable surface. Provide stable support for your experiments and bring convenience and efficiency to your laboratory work. Wide range of uses: Our laboratory stand tube flask clamps are widely used in laboratories to secure flasks, test tubes and other laboratory equipment. Its adjustable design and high-quality construction make it a reliable tool for scientific research, experiments, and more. Features: 100% brand new and high quality. Made of durable metal material, the clamp has long service life. The adjustable clamp base can be easily fixed on a edge of desk. Plastic covered prongs would not leave any scratches on objects Widely used for holding flasks, test tubes and so on in lab. Specifications: Material: Metal Length: 22cm/8.7in Weight: 212g(approx.) Package Includes: 1 x Clamp Package List