Fixed needle syringe, 10 μ l, 42mm, 23-26s, conical needle, conical tip assembly Agilent GC Autosamplers23-26s conical needle super elastic piston prevents bending piston and 7673 Series, 7683 Series, 6850 ALS uses the feature HP style dual gauge, The cone shaped blue tip design combines strength, reduced evaporation, and ease of injection onto the column