Aijiren Part # Restek Part # Description Page 5181-1267 21212, 24596 10µL Standard Syringe, Fixed Needle, 23-26 Gauge 370 5181-1273 21210, 24593 5µL Standard Syringe, Fixed Needle, 23-26 Gauge 370 5181-3319 20166 Needle for 10µL Standard Syringe, 23-26 Gauge 371 5181-3321 21213, 24598 10µL Standard Syringe, Removable Needle, 23-26 Gauge 370