Our newly developed spray rings enable an exact spray pattern over the entire diameter. The system allows switching between cooling and lubricating in a few milliseconds with a constant spray pattern. The design developed by Jerko creates an even and powerful spray pattern with ideal atomisation and high impact speed. Optimal cooling of the tools/mandrels in the shortest time! Jerko spray rings are also characterised by a robust and simple construction. Clogging, costly repairs or adjustment work are a thing of the past. The modular design allows all diameters or even individual areas to be cooled by special nozzles.