Test tube clamp with vertical stand
Description
This simple clamp can hold test tubes with diameters from 12 to 25 mm. The main body it's composed of 2 parts and some fasteners (the base is optional,i used it to hold tubes in horizontal to make some thermoacoustic experiments ;-)) UPDATE 17/12/2018 Added a Clamp for rod stand (useful in chemical lab) , composed of main body, 2 caps that close the housing of the nuts and 2 little wings knob for M5 hex head screw.
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