8 VWR®autosampler vials, inserts, and closures | vwr.com VWR®11mm CRIMP-TOP VIALS 2ml, 12X32mm CRIMP-TOP VIALS AND INSERTS. ‒ Superior quality borosilicate glass ‒Vials feature a write-on patch with graduation for convenient sample identification. ‒Standard opening vials require inserts with a diameter of 5mm.