About borosilicate glass tube: It is a special glass with high temperature resistance and low expansion coefficient. It is a special glass material with low expansion rate, high temperature resistance, high strength, high hardness, high light transmission and high chemical stability. Need more options? More colors to choose from Need more options? More colors to choose from 12 Pcs 3 Inches 5 Colors Borosilicate Glass Tubes, Gtysmox 10mm Diameter 1.5m... 12 Pcs 4 Inches 5 Colors Borosilicate Glass Tubes, Gtysmox 10mm Diameter 1.5m... 12 Pcs 5 Inches 5 Colors Borosilicate Glass Tubes, Gtysmox 10mm Diameter 1.5m... 12 Pcs 6 Inches 5 Colors Borosilicate Glass Tubes, Gtysmox 10mm Diameter 1.5m... Buying Options Buying Options Add to Cart Add to Cart Customer Reviews 4.2 out of 5 stars 8 4.2 out of 5 stars 8 4.2 out of 5 stars 8 4.2 out of 5 stars 8 Price — no data — no data $11.49$11.49 $13.99$13.99 Color Transparent, Dark Blue, Grass green, Pink, Grey Transparent, Dark Blue, Grass green, Pink, Grey Transparent, Dark Blue, Grass green, Pink, Grey Transparent, Dark Blue, Grass green, Pink, Grey Length 3 IN 4 IN 5 IN 6 IN Outside diameter 10mm 10mm 10mm 10mm Wall Thickness 1.5mm 1.5mm 1.5mm 1.5mm Quantity 12 Pcs 12 Pcs 12 Pcs 12 Pcs With a cleaning brush ✓ ✓ ✓ ✓ Notes: Manual measurement, please allow slight errors on size.The color may exist a slight difference due to different screen displays.