Metal Black Diamond ATC-Guide Belay/Rappel Device with black cable looped on the bottom. The metal device consists of two oval anchor holes in the center and two smaller round holes at the front and back. The right and left sides have images of hands holding rope and figure climbing. The Black Diamond logo is on top of larger ring. PROTO S86 engraved below small ring on back of metal device.
The belay device was selected by Caldwell as it is used particularly for speed rappelling.
Tommy Caldwell was born in Colorado in 1978 and is best known for completing the first "free" (meaning no rope assist) rock climb of the Dawn Wall of El Capitan in Yosemite National Park in California. Caldwell is an advocate for protecting the environment and is an active member of the non-profit group Protect Our Winters, a group that seeks to combat climate change.