Hold and rotate glass tubing against hot wire to cut tubing.
What does a Hot-Wire Glass Tube Cutter do?
Holds and rotates glass tubing against hot wire to cut tubing to specified length: Sets guide at specified distance, using rule and wrench. Turns on electric current to heat wire. Places glass tube against guide and hot wire. Turns tubing to heat glass. Places hot glass under stream of cold water, causing it to break along heated line.