Bostitch 21 galvanised stick nails packs of 2000 bostitch rh3190g50 this box of 2000 galvanised smooth shank stick nails 31 x 90mm from bostitch have been designed with round heads and are used within a feed mechanism keeping the nailer tool lighter ideal for using in situations when a nail needs to be applied at high speed while the smooth shank makes them ideal for everday usage including framing the galvanised finish prevents corrosion allowing them to be used outdoors bostitch