<https://saferight.com.au/product/temporary-anchors/ballantyne-t-bar/>
<http://schema.org/description>
"The Ballantyne T-Bar is a temporary roof anchor point to be used on metal deck roofs. It is designed to clip the edge of a metal deck roof sheet, acting as an anchor point when working on the opposite side of the roof to where the anchor is fixed."
<https://saferight.com.au/product/temporary-anchors/ballantyne-t-bar/>