VWR® 9mm WIDE OPENING SCREW-THREAD VIALS 2ml, 12X32mm, 9mm WIDE OPENING SCREW-THREAD VIALS AND INSERTS ‒ Write-on patch with graduation for convenient sample identification ‒ Wide neck opening design, allows easy filling ‒ Superior quality borosilicate glass ‒ Spring inserts are self-aligning and provide a cushion against needle contact VWR® 9mm WIDE OPENING SCREW-THREAD VIALS AND INSERTS VWR® 9mm SCREW-THREAD CAPS AND SEPTA