|National Scientific has the largest offering of 12x32mm glass and plastic vials, inserts and closures in the industry. Target DP® screw thread vials are the preferred choice for modern robotic autosamplers. Target DP, 11mm crimp top, 11mm crimp/snap, 8-425 and 10-425 screw thread vials are available as individual components as well as convenience kits that include vials, caps and septa. Screw thread vials are available as pre-assembled vial kits for maximum efficiency and preservation of vial integrity. A large selection of closures and limited volume inserts completes the product offering.