HOLLOW ROUND CAPILLARIES MANUFACTURED IN CLEAR FUSED QUARTZ, ID: 0.80mm, OD: 1.00mm, Tolerances +/- 10%, Both ends open. Supplied in screw cap vials - Each vial contains 50 capillaries. Available in 100mm, 300mm and 600mm lengths. Part numbers CV8010Q-100, CV8010Q-300, CV8010Q-600.