Micro-Inserts & Shell Vials & Racks &Crimper 100pcs/pack. 150ul Insert with mandrel interior and polymer feet, 29*5mm; suits for ND8 Vials. 250ul Insert with mandrel interior and polymer feet, 29*5.7mm; suits for ND9 Vials. 200ul Micro-Insert,31*5mm,clear glass,flat bottom; suits for ND8 Vials . 2ml hplc vials with label for hplc system Waters