Features: Discover the versatility of our 6Pcs 4inch Clear Borosilicate Glass Tube set, perfect for glass blowing enthusiasts and professionals seeking durability. Crafted from borosilicate glass, these tubes boast a 12mm OD and 2mm thickness, ensuring a balance of lightweight with robust resistance to thermal shock. Suitable for scientists, laboratory technicians, educators, and hobbyists, these glass tubes cater to a wide array of users in need of safe glassware. Whether conducting experiments in the lab, demonstrating principles in the classroom, or engaging in creative projects at home, these glass tubes provide the clarity and strength required for diverses applications. Elevate your glasswork with our meticulously fire polished tubes that promise finish, reducing the risk of accidents while enhancing the aesthetic appeal of your creations. Specifications: Component:Borosilicate Glass Size:Approx.100x2x12mm/3.93x0.07x0.47inch Package Includes: 1 Set Glass Tubes note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.