<http://schema.org/description>
"This is the essential trunnion snap shackle head adapter, which is often invaluable. It is suitable for any block with a shackle head. It is also recommended in continuous line furlers and in the Series 60 Gennaker Furler Set."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.apsltd.com/trunnion-snap-shackle-block-head.html>