Malone Specialty Inc. offers Carbon Steel Fittings and 316 Stainless Steel Fittings, in various sizes. These Adapters or Couplings are available in various configurations including, but are not limited to: Conversion Couplings for Metric to JIC, BSPP Adapters, BSPT Couplings, Metric Adapters in a variety of configurations, Caps and Plugs in various thread sizes , JIC Adapters, NPT Fittings and O-Ring Face Seal Couplings. Malone Specialty Inc. offers many more Adapter configurations.