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Laboratory stand support-- it is a closed ring which is very steady, suitable for schools, factories, families and laboratory.
Test tube holder-- made of stainless steel material, ensuring it durable, , rust proof and sturdy constructed.
Ring stand-- this retort ring provides a more stable and safer support to your chemistry laboratory work.
Labs stand-- used in conjunction with laboratory experiment. simple apparatus for laboratory chemical reactions.
Ring support-- suitable for a biological and chemical laboratory test beds to support a variety of beakers, flasks, etc.