Sample vials ROTILABO® with snap-on ring ND11, TPX, with integrated glass micro insert, 0.2 ml. From ROTH SELECTION. General information. Write review. Chromacol™ GOLD-Grade Inert Vials and Inserts - Thermo Fisher . 0.2mL Insert, Pulled Point, GOLD Grade Glass, Clear. Price (USD) 2mL Screw Thread Vial, Flat Bottom, GOLD Grade Glass, Clear