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 high-quality 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 high-quality 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. Packing list: 1 x support ring