2.0mL, 9mm Thread Glass Blue Bonded Closure and Vials Chemglass Convenience packs with 2.0mL, 12 x 32mm clear vials I-D vials have marking spots and graduations (0.5, 1.0 and 1.5mL) Proper fit assured - caps and vials made to the same specification Supplied in two-compartment storage trays Septa fallout common with pre-assembled closures is eliminated