Certified glass inserts for 8 x 40 mm shell vials, volume 200 μL, clear glass insert (with plastic bottom spring), O.D. × H 6 mm × 29 mm, pkg of 100 ea prix 29444-U Certified glass inserts for 8 x 40 mm shell vials, volume 200 μL, clear glass insert (with plastic bottom spring), O.D. × H 5 mm × 36 mm, pkg of 100 ea prix 29445-U