<http://schema.org/description>
"Harkens low-profile Dinghy blocks are compact and lightweight, with fast trim and release under high or low loads. These blocks are specifically designed for dinghies and for light-duty control lines on larger boats."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.apsltd.com/dinghy-double.html>