<http://schema.org/description>
"WEB EXCLUSIVE: Parker Hannifin in Germany replaced steel components in its RSD quick coupling with a single injection molded part of Victrex PEEK engineering resin from Victrex plc (U.S. office in West Conshohocken, Pa.). RSD quick-connect couplings are used to connect hydraulic lines on a tractor to its trailer, plough, or other equipment without use of tools."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ptonline.com/products/plastic-replaces-steel-in-hydraulic-couplings>