About: http://webisa.webdatacommons.org/195648294

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	They can be purchased directly from Ortofon in a set of 3 pairs, one in each size; or from Musica Acoustics in several varieties including 5 pairs of a single size.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org