9-425 Screw HPLC Vials for Sale--Aijiren HPLC Vials. 1.5mL Amber 9mm Screw Vial w/Write-on Spot, 11.6*32mm, 7.0 type. $3.42. $3.17. $2.86. Aijiren 9mm screw thread top sample vials design is characterized by universal ease of use, especially the use of automated sample introduction systems, so this type of vial is also called an autosampler