Microsampling and analysis in one vial. Tapered bottom lets you concentrate samples into the tip by solvent evaporation. 1.1 mL, 12x32 mm clear Tapered-Bottom screw-top vial, standard mouth design. Type 1 borosilicate glass. 8-425 threads. Requires support sleeve to stand upright. Packaged: 5 in. x 4-1/4 in. x 1-1/4 in. Plastic box; Weight: 186.6 g.