Trajan Diamond Thermo RSH GC Autosampler 10 to 50uL Syringes, Diameter Inner Needle: 0.24 mm, 0.009 in., Description: Needle coating: Ultra Smooth, Length Needle: 57 mm, 2.24 in., Needle Gauge: 23 G, Volume: 10 to 50 uL, Diameter Outer Needle: 0.024 in., 0.63 mm