Vials for HPLC, UPLC, GC. Snap top autosampler vial is ND11. The size of 2ml HPLC vial is 11.6x32mm. About more detail information, please contact with E-mail: info@aijirenvial Whatsapp:+8618336073276 2ml sample vial 2ml autosampler vial with micro-insert is in stock. gc vials