20 Pack 6 Inch Borosilicate Glass Pipes With 12mm OD 9mm ID 2mm Wall High Temp Resistant Blowing Tubes And 4 Cleaning Brushes For Glass Blowing Lampworking And Craft Projects

20-Pack Borosilicate Glass Tubes for Blowing and Lab Use
✔️ 20 tubes: 12mm OD, 9mm ID, 2mm wall, clear borosilicate

This 20-pack of borosilicate glass tubes is built for glass blowing, lampworking, crafts, and lab experiments. Each tube features a precise 12 mm outer diameter, 9 mm inner diameter, and 2 mm wall thickness, with a clear finish for easy observation during work. The set includes 20 tubes and 4 cleaning brushes to keep routines tidy and pieces pristine.

✅ High-temp resistance up to 1000°C (2000°F) for demanding environments
✅ Precise sizing: 12 mm OD, 9 mm ID, 2 mm wall
✅ 20 tubes in set + 4 cleaning brushes for cleanup
✅ Clear glass for visibility during shaping and inspecting

💡 What is a glass blowing tube used for in crafts and labs?

Glass blowing tubes are handy tools for shaping glass, performing lab experiments, and crafting art.

• fits glass blowing, lampworking, lab experiments, and craft projects
• made from borosilicate glass for high-heat tolerance and chemical resistance
• size spec: 12 mm OD, 9 mm ID, 2 mm wall ensures consistent results
• includes cleaning brushes for easy maintenance and longer life

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