About: http://webisa.webdatacommons.org/456176916

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	blade-like protrusion extending from one side of said collar, a depending locking finger extending from another side of said collar including means for engaging any preselected one of said slotted grooves upon depressing said collar.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com