... boxes,films,felts,filters,screens,bottles,gravels,stones,sand,metal parts,steel plates,machines,etc.Spraying:Photo-etchants,oils,lubricants, ... makeCeramic orifice insertedStructure3-piece structure of metal make; Comprises three parts: spray tip,cap and adaptor,and worn spray tip ... SSVV173485/680750VV173485/680750VV173485/680750 3-piece Structure Vee jet nozzle (tungsten carbide orifice inserted)