Feb 02, 2012 · Robotic arms can easily grasp the 12mm x 32mm outer dimensions of the vial. Chromatography samples are contained in a clear Type I borosilicate glass 300µL conical tip insert. The interlocked RAM vial includes a marking spot, which can be written on with a #2 pencil. The vial is also available with a 9mm screw thread closure.