Corning 9530-4 Pyrex Capillary Melting Point Tube, One End Open, 90mm -New 100pk
PYREX 90mm Capillary Melting Point Tubes, One End OpenThese 90mm PYREX capillary melting point tubes are made from No. 7740 glass and have only one end open. All tubes have a 0.2-0.25mm wall range.