<https://xactmarkers.com/product/skeletal-ring-markers-part-m10r/#webpage>
<http://schema.org/description>
"Xact M10R 10mm extremity ring skin safe markers engineered with increased radio-density mark areas of interest on extremity X-ray markers. Orthopedic & podiatric imaging skin markers are often used to mark problematic screws and other hardware prior to surgery."
<https://xactmarkers.com/product/skeletal-ring-markers-part-m10r/>