Feature(may vary by option.)

●Quantity:20 pieces
●Eco-friendly, reusable, heat and cold resistant
●Color: clear
●The premium borosilicate tube is a perfect choice for laboratory, school, factory
●All thickness is about 1.5mm, please note the size before purchasing

[Multicolor]

[Clear]

Description

20 Pcs Clear Glass Tubes 4 Inches Long 10mm OD 7mm ID 1.5mm Thick Wall Glass Borosilicate Blowing Tubes