Brown colored Luer Lock hub with a 15 gauge blunt tip. The Inside Diameter is 0.053” (1.370 mm) and the Outside Diameter is 0.071” (1.820 mm). Our NT Series Premium polished tips feature a polypropylene plastic double-helix hub with a UV-bonded stainless steel cannula. The burr-free tip design allows for precise dispensing with no residuals. Available in boxes of 50 or bags of 1000.