Capillary Tubes, 100 mm Length, 0.3 mm I.D. 0.5 mm O.D., 1000-4000 Pack

Consistent Inner and Outer Dimensions: uniform inner and outer diameters; ideal for precise thin-layer analysis and accurate quantitative spotting; widely used in biochemical, chemical, organic, analytical and other thin layer point to represent the effects of the capillarity of a liquid substance Quality and Ease of Use: characterized by fine craftsmanship, simplicity in operation, transparency, colorlessness, and a smooth surface Please exercise caution when handling these capillaries, as their delicate nature is due to their composition of glass and extremely small diameter ASIN: B07ZR9Z2LZ, B0CCNC79FR, B0CCNF3K4R, B0CLD7HD6H, B0CLD8BKPD