This assortment includes (1) each of 14g, 16g, 18g, 20g, 24g, 26g, 28g, 30g, and (2) 22g straight 304 reusable stainless needles. For inside and outside dimensions for each gauge, see needle chart. These needles may be used with the Manual Syringe or the legacy Microsyringe or with the Automated Dispensing with the Needle Adapter p/n 100-22-37 or with any other syringe or device that features a standard male Luer lock interface. Save by purchasing assortment over individual needles.