250ul Insert with mandrel interior and polymer feet, 29*5.7mm; suits for ND9 Vials. I200. 200ul Micro-Insert,31*5mm,clear glass,flat bottom; suits for ND8 Vials. I300. 300ul Micro-Insert,31*6mm,clear glass,flat bottom; suits for ND9 Vials. IC200: 200ul Micro-Insert,31*5mm,clear glass,Conic bottom; suits for ND9 Vials: IC300