3 Round Hoops With the purpose of placing multi-type flasks, asbestos webs, beakers and other equipment, our chemistry ring stand offers 3 sizes of hoops: large hoops-3.3", medium hoops-2.7", and small hoops-2". disposable-consumables.com | Easy Installation disposable-consumables.com The grip clips are ergonomic, which can clamp firmly and will never fall out. This considerate design for the kit allows simple assembly and disassembly, making the set-up effortless. | Extensive Uses Our burette kit is suitable for research or teaching tasks. Mainly used for physics & chemistry experiments, such as filtration, heating, and titration. disposable-consumables.com |