Crimp, Screw, Snap & Push Top Vials for HPLC, CE, GC & Headspace autosamplers. Choose from a variety of vials from BASIK™ to RSA™ brands which includes different glass surfaces, plastic and low volume vials. Crimp Top Vials - AQ™, BASIK™ & MicroSolv™ Brands of vials with a serum finish for maximum sealing with crimp caps.