HOLLOW ROUND CAPILLARIES MANUFACTURED IN BOROSILICATE GLASS, ID: 0.90mm, OD: 1.10mm, Tolerances +/- 10%, Both ends open. Supplied in screw cap vials - Each vial contains 50 capillaries. Available in 100mm, 300mm and 600mm lengths. Part numbers CV9011-100, CV9011-300, CV9011-600.