We offer a full selection of Metric Hydraulic Adapters and Fittings, including Metric, 30° Seat Adapters and Metric Compression Fittings. NJ metric compression fittings are highly resistant to vibration and create strong, reliable, leak-free connections. They meet all SAE, ISO and DIN standards. Their cutting ring design dampens the effects of vibrations on your hydraulic system. Finished in trivalent chromate plating.