【Quality Assurance】100% stainless steel 18-8(304) which offers a high level of chemical and corrosion resistance. Extra long salt spray test, anti-oxidation
【Easy Install】Smooth finish making using them easy on the fingers, no sharp edges, no burrs, tighten nicely, you do not have to worry about the rust issue.
【Great Performance】Threads are cleanly & deeply cut, also are nicely finished. Will not strip during installation.