1.8 mL, 9 mm Amber Screw Vial 100pk, with certification for dimension and cleanliness. Made of Type 1, 33 expansion glass. Large opening vials with 9 mm finish. For use with Agilent 7673 and other robotic arm autosamplers that use 12x32 mm crimp top vials. Excellent for long term storage.Packaged: 5-1/4 in. x 4-1/4 in. x 1-1/4 in. Plastic box; Weight: 245.3 g.