About: http://webisa.webdatacommons.org/154727532

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 are stable, and easy to use.The stationary head built into the top is a 5/8 wide, short chrome column with screw threads (male) that will fit camera or flash.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.com