<http://webisa.webdatacommons.org/prov/81360811> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/391248459> . <http://webisa.webdatacommons.org/391248459> <http://www.w3.org/ns/prov#wasQuotedFrom> <shelf3d.com> . <http://webisa.webdatacommons.org/391248459> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/391248459> <http://www.w3.org/ns/prov#value> "A fixed barrel allows for greater accuracy and reliability as well as simplifying construction compared to other locking systems." .