Flouroresin dispensing needles UNR series are ideal for use with low viscosity materials and cyanoacrylates (super glue) materials. They resist cyanoacrylate clogging and prevent damage to substrates. The parts that come in contact with fluids are made of Flouroresin which makes it suitable for dispensing materials which solidifies easily. The needle is installed 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.