1.Short screw thread ND8 vials (11.6*32mm) for GC and HPLC
2.Vials feature a writing patch with graduation for convenient sample identification
3.Ideal for limited volume inserts to eliminating missed injections
4.”Short screw, long neck” to make the autosampler easier to capture
5.Colors option: Clear, amber
6.Materials option: borosilicate glass 5.1, borosilicate glass 7.0