- Narrow neck vial w/8-425 thread finish
- High quality 33 expansion borosilicate glass or amber 51A glass
- Uniformly flat bottom for security with inserts
- I-D™ vials feature write-on patch with graduations at 0.5, 1.0 and 1.5mL
- Glastic vial features a glass insert pre-inserted inside of a clear TPX vial
Standard opening screw thread glass vials have a capacity of 2 mL and measure 12 x 32 mm.