volume 4 mL, clear glass vial, thread for 13-425, pkg of 100 ea. volume 4 mL, clear glass vial (with marking spot), thread for 13-425, pkg of 1000 ea. volume 7 mL, clear glass vial, thread for 15-425, pkg of 100 ea. volume 15 mL, clear glass vial, thread for 18-400, pkg of 100 ea.