Karter Scientific208U2 Plastic Test Tube Rack for 15/17 mm Tubes, Holds 50, Detachable

This isn't a hardy product but it is good enough for shelf storage and a very good value at its price. The plastic is somewhat brittle but plenty strong to occassionaly move around. Easy to assemble.

Took me a little while to assemble, but once done, holds well. I organized by seed beads that came in the 15 mm vials. Very handy.

Just want to thank you the stand is really sturdy and nice looking easy to assemble.. so pleased can do my api tests without the test tubes breaking and rolling away!!!

I bought this to hold tubes of seeds beads and it works perfectly! Nice and sturdy and can take apart again if need be

I got this to use for holding test tubes for my aquarium API tests. It works great. There are no instructions but basically, you just slide the racks into the little stands. The backside of the shelves have 2 little clear dots to stop from sliding too far. Once I got the first one on (the bottom rack), the others were easy. I did put a drop of cooking oil on the stand where you slide it on, as they wanted to hang up. And one I had to slide back and forth a few times until it would slide on easily. You just have to remember to put the side without the clear dots (stoopers?) in first. It's not real sturdy, but plenty enough for holding test tubes. Well worth the $6.49 I paid. It is larger than I need, but it will make the process so much easier. I guess if you wanted it a little more sturdy you could put a drop of glue on the stands. But not necessary at all. They hold well, even when carrying empty. I wouldn't carry it full of test tubes.