Is the od 5mm? if id is 4mm and glass thickness is 1mm, od should be 6mm.

You are correct, the OD is 6mm and ID is 4mm. Walls are 1mm thick. We will update the listing. Thank you

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🧬 Elevate your lab game with precision and durability!

QUALITY ASSURED - Manufactured under strict quality controls for professional reliability
THERMAL TOUGHNESS - Withstands extreme temperatures and thermal shocks up to 820°C
VERSATILE SET OF 6 - Multiple unique shapes to fit any lab setup
LAB GRADE DURABILITY - 1mm thick borosilicate glass ensures chemical resistance and longevity
PRECISION DIMENSIONS - 4mm inner diameter with 6mm outer diameter for consistent flow

Eisco Labs Borosilicate Glass Delivery Tubes set includes 6 uniquely shaped tubes made from 1mm thick borosilicate glass, featuring a 4mm inner and 6mm outer diameter. Designed for demanding lab environments, these autoclavable tubes resist chemical corrosion and thermal shocks up to 820°C, ensuring reliable performance and longevity.

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Manufacturer	EISCO
Part number	CH0749
Item Weight	45.4 g
Product Dimensions	20.32 x 10.16 x 2.54 cm; 45.36 g
Is Discontinued By Manufacturer	No
Material	Borosilicate Glass
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	20.3 x 10.2 x 2.5 cm

Eisco Labs Borosilicate Glass Delivery Tubes, Set of 6

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