Laboratory holder: smooth and nice polished, neat and generous, so don't need to worry about harming your hand,stand retort
Support retort ring: a good tool for science study, can support various chemical experiments,experiment retort ring
Stand retort: commonly used for chemical reactions, filtrations, and experiments in laboratories, , schools, hospitals, researches, and so on,experiment support ring
Retort clamp support ring: it is a as a your at school if they do experiments in laboratory,bolt cutters heavy duty
Lab micropipette stand: suitable for beginners or professional use, also the students, lightweight and portable, it is very convenient for you to carry,support retort rings