<http://schema.org/description>
"For exact machining of thin-walled rings on rotary tables, cylindrical grinding machines and lathes, Schunk offers standardized magnetic chucks with radial pole pitch."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/products/radial-pole-magnets-for-hard-and-finish-turning>