Tapered nozzles UNF series are molded from polyethylene with UV light block additive. They prevent blockage and increase the flow of high viscosity materials making them compatible with a wide variety of medium to high viscosity fluids such as solder cream, grease, silicone, UV light-curable materials etc. The tapered nozzle is fitted at the tip of the syringe barrel BP series or needle adapter UNA series and is used to obtain the desired dispensing volume. It is sold in packs of 20 pieces.