Outside diameter: 10mm Inside diameter: 8mm Length :100mm Thick Wall: 1mm Outside diameter: 10mm Inside diameter: 8mm Length :100mm Thick Wall: 1mm Material: glass Color: transparent Fire polished ends on Both Sides. Durable in use. Fire polished ends on Both Sides. Used as the reaction vessel in a small amount of reagent and used in room temperature or heat. The Glass has low thermal expansion coefficient that is about a third of ordinary glass. Resistant to high temperatures(About up to 200 degrees) Package Includes : 10 x Tubes Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm Features: Glass Blowing Tubes Manufacturer Part Number: [email protected] Brand: Pyrex Color: as shown