SUPERLOK Tube Fittings are produced by a strict management of materials, high precision design and the best machining technologies. SUPERLOK Tube Fittings tighten easily and are leak free under shock, vibration and temperature cycling. The use of SUPERLOK tube fittings result in additional productivity and cost reduction for the end user. The best interior surface finish in the industry reduces particle entrapment, potential contamination and improves the flow of fluids and gases.