<http://schema.org/description>
"Harken's low-friction Micro Blocks are available in a variety sizes and configurations. Their compact and lightweight structures make them ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Micro Blocks have Delrin ball bearings that are UV-stabilized with carbon black for maximum protection.  They also have stainless steel sideplates to add strength.  These blocks are commonly used for cunninghams, outhauls, vangs, traveler controls, barberhaulers, flag halyards, leech cords and lead car return tackles."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.apsltd.com/micro-double-w-bec.html>