HONKID 5-Piece Borosilicate Glass Tubes for Blowing, Lab, DIY, and Industrial Use, 4 Inch (10 cm) Long,1.5mm Wall Thickness, Fire-Polished Ends, High Heat Resistance, Acid and Alkali Resistant

Rinercber 10 Pcs Borosilicate Blowing Tubes, 3.9 Inch Length, 7mm ID, 12mm OD, 2mm Wall Thickness - High Temp Resistant for Industrial, Laboratory, and Craft Projects, With Cleaning Brush

Worldity 20 Pcs 8 Inch Long Glass Borosilicate Blowing Tubes, Industrial Clear Glasses Tubes for Glass Blowing 12mm OD, 8mm ID, 2mm Thick Wall with 4 Cleaning Brush for Laboratory Experiment

Glass Tubes 12 Piece, Reusable Glass Straws 4 Inch Long, OD 10 mm, Thickness 1.5 mm, Colorful Industrial Borosilicate Glass Tubing for Short Cup (10mm-4IN-Colorful)

Glass Tubes 12 Piece, 12 Inch Long, OD 10 mm, Thickness 1.5 mm, Colorful Industrial Borosilicate Glass Tubing for Tall Cup (10mm-12IN-Multiple Colors)

Glass tubes 12 Piece, 8 Inch Long Borosilicate Glass Tubes OD 8 mm Thickness 1.5 mm Industrial Glass Tubing for Tall Cup (8mm / Clear)

Glass Tubes 12 Piece, Reusable Glass Straws 4 Inch Long, OD 10 mm, Thickness 1.5 mm, Industrial Borosilicate Glass Tubing for Short Cup (10mm-4IN-Clear)

5 Pcs Borosilicate Glass Tube,4 Inch(10 cm) Thick Glass Blowing Tubes,2mm Wall Thickness,High Heat Resistance for Blowing,Lab,DIY,and Industrial,Acid and Alkali Resistant

Borosilicate Glass Tubes 4" 10mm 1.5mm Thick Wall Clear Glass Blowing Tubes for Scientific, Industrial, Art & Craft - 8pc Premium Bulk Set with Brush

8-Pack Borosilicate Glass Tubes, 4 Inch Long, 12mm OD, 2mm Thick Wall - Heavy Duty Fire-Polished Glass Blowing Tubing for Lab, DIY, Art & Industrial Use (Clear)