Laboratory glass ball: you will receive 4000pcs of clear glass ball, the diameter is about 2mm/0.08inch, plenty enough to last you a long time.
Solid round clear glass boiling stones beads: glass stones have good stability, can be used as filler in distillation tower, also can be used as zeolite or mixed beads.
Solid glass sphere: small glass beads made of glass, scratch resistant, which could be for very time.
Transparent glass sphere: the glass sphere ball with solid design, compact and portable, reliable and stable, simple and easy to use.
Beads lab boiling stones: this clear glass ball sphere is very easy to use, delicate workmanship, bring you huge convenience.