Capillary tubes available in 100 mm length with both ends open, or 90 mm length with one end sealed.

Tubes 36982-008 and 36984-003 have an O.D. of approx. 1.5 to 1.8 mm with a 0.2 mm wall thickness.

Tubes 36983-000 and 36984-025 comply with requirements given in the United States Pharmacopoeia (USP) and have an I.D. of approx. 0.8 to 1.1 mm with a 0.25 mm wall thickness.