You have probably noticed me saying stuff like: 10 mm beads, 6 mm beads and more.
What does that mean?
It means the diameter of the bead. So when I say 6 mm beads, I mean a bead that has 6 mm diameter.
But How do you measure the diameter of any bead?
watch the video below to find out:
To find this tool in your local market, go to the section that sells equipment for chemistry students/laboratories. Show them the picture and tell them you want the cheapest one.
Otherwise you can order it online from amazon here: Sliding Guage