<http://schema.org/description>
"Hardinge\u2019s fail-safe 5C collet block features a spring design to keep parts clamped and maintain concentricity even if loss of air occurs during the machining process."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/products/fail-safe-collet-block-secures-parts-despite-air-loss>