RESTEK 21165-221 Headspace Crimp Vial, Rounded Bottom . RESTEK 21165-221 Headspace Crimp Vial, Rounded Bottom, Deactivated, 20 mm Neck Diameter, 10 mL Volume, 23 mm Diameter, 46 mm Height00 (Pack of 1000): Headspace Crimp Vials, Caps, Kits | SHIMADZU EUROPA. Glass Vials 10 ml and 20 ml Crimp Neck Content: 100 pcs. plain aluminium cap 10 mm