5mm x 7" high field High Throughput NMR Sample Tube.Pack of 250 with caps packed separately.
4.95mm +/- 0.03mm OD x 0.43mm +/- 0.02mm Wall x 7" longPack of 250 tubes with caps (Purple) packed separtely.Designed for high field instruments with high throughput applications w/wo auto-changer.Made of Type 1, Class B borosilicate glass.