Home » News » 9-425 » USA Professional 1.5mL 9-425 Screw Neck Vial with closures USA Professional 1.5mL 9-425 Screw Neck Vial with closures 1.5ml 9mm Short Thread Autosampler Vials ND9 are made of clear Type 1, Class A Borosilicate Glass with a writable label for sample identification.