StonyLab Glass Capillary Tubes, 100mm Micro Glass Pipettes Capillary Transfer Tube with 0.3mm ID and 0.5mm OD for TLC Spotting, Pack of 1000: Amazon.com: Industrial & Scientific
Friedrich and Dimmock Glass Borosilicate Large Ratio Rectangular Tubing - Friedrich and Dimmock Glass
Pyrex® Glass Capillary Tubes, Melting Point, 100 mm, Vial of 100 | Carolina.com
Need It Now Healthcare - Pre-Calibrated Micro-Hematocrit Capillary Tubes - Glass
Glass Melting Point Capillary Tube - (Open Both Ends) | eBay
Kimax® Glass Capillary Tubes, Melting Point, 100 mm, Vial of 100 | Oriental Trading
Cole-Parmer Glass Capillary Tubes, Closed Both Ends; 100/PK from Cole-Parmer
The simple device for glass capillary tube rise testing. | Download Scientific Diagram
Friedrich and Dimmock Glass Capillary Tubing - Friedrich and Dimmock Glass
Large Capillary Tubes 100 mm x 1.3-1.5 mm ID 1.6-1.8 mm OD 140/pk Glass Micro Pipettes Both Ends Open AAdvance Instruments: Amazon.com: Industrial & Scientific
Precision Capillary Glass Tube – Ultra Accurate and Low Friction