9mm Screw Thread Vial. 2ml autosampler vials 9mm for HPLC system with bonded septa caps. Including: 100pcs Clear/amber bottles 32×11.6mm made of borosilicate glass, 2ml lab vials 9-425 screw thread, Flat base Sample Vials; Made out of USP TYPE I Glass. With writing patch for pencil mark.