Petzl Reverso Belay Device with William Screw-Gate Locking Carabiner | eBay
REVERSO®, Versatile, lightweight belay/rappel device, for use with one or two rope strands and ability to belay a second climber from the anchor - Petzl USA
Petzl Reverso Belay Device - Single Belay and Rappel Device - Belay and Rappel Devices - Climbing - All
Petzl Reverso | Tube type belay device | CanyonZone