15. Fisherbrand™ 11 mm Glass Standard Opening Crimp Top Vials. Fisherbrand™ 11 mm crimp top vials are designed to fit most autosamplers. 16. Thermo Scientific™ SUN-SRi™ 20mm Crimp-Top and 18mm Screw-Top Headspace Vials: Round Bottom. Designed with a round bottom that is more easily handled by robotic arms. 17.