250μl 透明玻璃內管, OD 6mm, 尖底帶腳, for 9mm vial, 100-pk: ZA-000I250: 250ul Micro-Insert,31*5mm,clear glass,flat bottom; suits for ND8 Vials : 250ul 透明玻璃內管, OD 5mm, 平底, for 8mm vial, 100-pk: ZA-000I300: 300ul Micro-Insert,31*6mm,clear glass,flat bottom; suits for ND9 Vials