National Scientific Wide Opening Crimp-Top Vials National Scientific Unassembled Vial And Crimp Seal Convenience Kits Clear Target Vials. Combining top-notch and uncompromising quality with an affordable price the Thermo Scientific Wide Opening Crimp-Top Vials Thermo Scientific Unassembled Vial And Crimp Seal Convenience Kits Clear target Vials C4011-92/ 66064-230 can fulfill your laboratory needs while still offering a great value for the money. Vials feature a 40percent larger opening than standard opening vials to reduce needle damage. They are manufactured from Type 1 borosilicate glass (unless otherwise specified) and are appropriate for use with robotic arm autosamplers. target I-D vials have a ceramic write-on ID patch with graduations at 0.5 1.0 and 1.5mL. Silanized vials help to limit protein adsorption. Conical-style Polyspring inserts are available in borosilicate glass or polypropylene. Flat bottom MicroSerts inserts are made from borosilicate glass. National Scientific Wide Opening Crimp-Top Vials National Scientific C4011-92 Unassembled Vial And Crimp Seal Convenience Kits Clear Target Vials