screw neck vial caps with label for wholesales Sigma 2021 - 06 - 10 1mL Shell Vial suitable for microscale experiments Shell vials are kitted unasseled with the appropriate closures or with closures,clear,8mm PE-Plug,Soft,Without Insertion. 1.5mL 8-425 Screw Neck Vial ND8 1.5mL 9mm Short Thread Vial ND9 1.5mL 10-425