Trajan Replaceable Luer Lock Needles: Bevel, Length Needle: 70 mm, 2.7 in., Needle Gauge: 23 G, Needle Point Style: Bevel, Diameter Inner: 0.012 in., 0.32 mm, Diameter Outer: 0.024 in., 0.63 mm, For Use With: Gas chromatography, Stainless Steel, Termination: Luer-lock, Replacement Needle