About: http://webisa.webdatacommons.org/355334573

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	On the 0.5/0.7mm models there is a hole through which you can see the eraser underneath.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com