Support rack--different sizes of ring retort supports for your choice, can meet your different needs,laboratory supplies
Laboratory tools--durable, , acid resistant, rust proof and sturdy constructed,Beakers
Adjustable flask ring--commonly used for chemical reactions, filtrations, and experiments in laboratories, factories, schools, hospitals, researches, and so on,Heating Flask Support
Lab equipment-- iron material, high temperature resistance, corrosion resistance, to meet your experimental needs,laboratory stand
Sturdy rack--these laboratory support rings are very good laboratory assistants and are very practical,test tube support