Chromatography Vials, Large Opening R.A.M.™ Vials, 12x32mm, 9mm Thread, 2mL Amber Borosilicate Glass Vial, with Graduation Spot, 1000/CS is available to buy in increments of 1 Details Finneran R.A.M. TM Vials designed specifically to work in robotic arm autosamplers have a crimp style height with the convenience of a screw thread configuration.