NUOBESTY 3pcs Laboratory Support Retort Rings Metal Iron Stand Clamps 3x1 Triple Ring Set for Chemistry Lab Beaker and Flask Support

Package List 3 x support rings Characteristics - Inner diameter: 55mm, 66mm, 104mm ring holder. -Product Info:Iron frame table accessories - Material: Iron. - Laboratory is used to hold laboratory glassware and other items beaker clamp. - Strong in support, metal made ring can support more than these plastic made rings lab stand. - Commonly used for chemical reactions, filtration, and experiments in laboratories, factories, schools, hospitals, researches and so equipment. - - This laboratory support rings are suitable for biological and chemical laboratory test bed to support a variety of beakers, flasks, etc ring holder display. - This item is made of for durability and long time use.Goods Informationlaboratory stand support The excellent workmanship of our product will bring you a good experience.chunky rings Adopting great quality material, which lets you use it for a very long time.lab equipment Though it is simple in design, it's so practical when you use it.beaker clamp Easy and convenient to install and use, it is a very useful