Bullet_point: ['Attached black phenolic (thermoset) caps with polyseal cone liners form an exceptionally tight seal and offer a good chemical barrier', 'Black phenolic caps with liners form an exceptionally tight seal and offer a good chemical barrier', 'Clear screw thread vials offer maximum visibility', 'Country of manufacture: United States', 'Liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding and backing off', 'Manufacturer: Qorpak', 'Measures 19 millimeters diameter by 65 millimeters height', 'Product allows users to properly secure closures at the correct degree of torque to ensure a proper seal', 'Providing exceptional resistance to heat shock and chemical leaching', 'Test Instruments & Gauges', 'Vials offer maximum visibility'] (Page 1)