Micro-Inserts from Tisch are designed for consistent sampling of low-volume chromatography samples. 250 µL, Conical Bottom, 31x6mm for 9mm vials, CV2046, Limited Volume Inserts - Glass Syringes TC-60 D, 0.1ml Micro-Insert, 29 x 5.7mm, Clear Glass, 1st Hydrol Class, Mandrel Point with assembled Plastic Spring,Fill Vol. 0.20, 1000nos