Description Are you looking for a practical, yet affordable labs support ring? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our items, made of material, must meet you needs. It is one of the best choices for you. Features - Material: Iron. - Size: 18.00X6.00X2.50cm/7.07X2.36X0.98in. - This laboratory support ring is made of iron for durability. - High resistance to acid/alkali/oxidation:The advantage of this laboratory open support ring is acid and alkali resistance and oxidation resistance. - Different sizes of ring retort supports for your choice, so you can meet your different needs. - These laboratory support rings are very good laboratory assistants and are very practical. - Application: This laboratory support ring is suitable for biological and chemical laboratory test bed to support a variety of beakers, flasks, etc. This laboratory support ring is made of iron for durability. High resistance to acid/alkali/oxidation:The advantage of this laboratory open support ring is acid and alkali resistance and oxidation resistance. Different sizes of ring retort supports for your choice, so you can meet your different needs. These laboratory support rings are very good laboratory assistants and are very practical. Application: This laboratory support ring is suitable for biological and chemical laboratory test bed to support a variety of beakers, flasks, etc.