This Item Autosampler Vial, 2ml HPLC Vial, Clear Chromatography Lab Vial, Sample Vial with Writing Area, 9-425 Screw-Thread Vial, Pack of 100 by Aijiren Biomed Scientific Autosampler Vials,2mL Clear Sample Vials with Write-on Spot and Graduations,Screw top 9-425 Thread Finish,12mm ID x 32mm L(Pack of 100)