3d printed API test tube holder. For easy reading the base is labeled pH,A,Ni,Na. This can come in other colors. Colors to choose from are black,white,green, and tan. If interested in different color message me when purchase is made. If I don't receive message white will be the one shipped. Test tubes not included only for display. Since this item is 3d printed surfaces may not be 100% smooth and layer lines will be visible. This item is made when purchase is made.

I CAN ALSO MAKE DIFFERENT COLOR IF INTERESTED IN A DIFFERENT COLOR PLEASE MESSAGE ME AND ASK ME IF I HAVE THE ONE YOU ARE LOOKING FOR OR I CAN TELL YOU WHAT I HAVE.