2ml HPLC and GC Glass Vials with Crimp and Screw Finish. Product Description . 1. 1.5ml glas vials with crimp finish and screw finish of 8-425, 9-425, 10-425, clear and amber,used for HPLC and GC. 2. We can produce according to customers' specifications and do printing on the vials. 3.