Green colored Luer Lock hub with a 18 gauge passivated stainless steel cannula. The Inside Diameter is 0.038” (0.970 mm) and the Outside Diameter is 0.050” (1.270 mm). Our NT Series Premium polished tips feature a polypropylene plastic double-helix hub with a UV-bonded passivated stainless steel cannula. The burr-free tip design allows for precise dispensing with no residuals. Minimum 2000 pieces. Non cancellable and non returnable. Bag of 1000 dispensing tips.