Virtuoso 2mL Screw Top Wide Neck Vial and Cap Combination Pack - Clear Glass with V-Patch and 9mm Open Blue Cap with PTFE/Red Rubber Liner. Consists of 60180-VT300 + C5000-51B. Designed exclusively for use with the Virtuoso Vial Identification System, the Virtuoso vial provides the highest level of sample integrity and sample information possible.