1.5 ml/2ml vials. 2ml autosampler vial, crimp neck, aluminum cap 1.5ml 10-425 amber glass hplc autosampler vials with patch 9-425 Screw Neck Vial with Closures. VIALS & CAPS – Th. Geyer. Crimp neck vials and micro-vials ND8 can be sealed with 8 mm crimp caps, above the aluminium septum achieves an excellent seal on the stopper system.