About: http://webisa.webdatacommons.org/200490250

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	The rod itself is a hard plastic with a rare earth magnet stuck in each end so you could easily make something similar yourself with a bit of dowel and a sunk magnet though with the cost of magnets alone I liked them.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com