This EH series is interchangeable with STUCCHI DP PLATE SERIES. Steel Product. The multicoupling series offers an efficient solution for simultaneous hydraulic line connections, featuring multiple configurable sets of 3/8" or 1/2" plugs and couplers operated via a steel handle for quick, secure engagement. Designed for demanding applications, all couplers are zinc-nickel plated for corrosion resistance and support connect-under-pressure functionality, ensuring reliable performance in high-pressure systems. The modular design allows individual coupler replacement after reaching their recommended service life.