“C” type needles are designed for autosamplers. The tapered tip and the 90° square end eliminate burns. Ideal for PTFE laminated seals and regular septas. Plunger: stainless steel. Barrel: borosilicate glass. Precision: < +/- 1% of the volume. Main use: sample dosage for gas chromatography & HPLC valves & autosamplers.