Superlok threaded instrument fittings are manufactured with extreme precision. They’re available in 316SS, handling pressures up to 10,000 psi. The complete line-up includes: nipples, bushings, couplers, tees, crosses, elbows and adapters in a variety of options. Superlok instrument-threaded fittings can be used to manage an entire pipe system, appropriate for a new system or to replace your current fittings. Superlok stands behind its fittings, offering the best lifetime warranty in the industry.