The Reverso 4 replaced the Petzl Reverso 3.
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At only 59g, the Petzl Reverso 4 Belay Device is an ultralight multipurpose belay / rappel device with a self-braking Reverso mode for belaying 1 or 2 seconding climbers.
Petzl Reverso 4 Belay/Rappel Device - The REVERSO4 Belay Rappel Device by Petzl is an ultra-light multi-purpose belay/rappel device that regulates the amount of braking friction on the rope according to its diameter and condition. The V-shaped friction channels, with asymmetrical lateral grooves, adapt the rope friction for better control, offering effective breaking on half, twin, and single dynamic ropes. It also assists in independent and simultaneous belaying of one or two seconding climbers in Reverso mode. It can be used to belay the leader, one or two seconding climbers, and can be used for rappelling. Quick changeovers from Reverso mode to belaying the leader when climbing multi-pitch routes and increased braking power during a leader or top rope fall or while rappelling. A carabiner hole allows the loaded device in Reverso mode to be easily and gradually released with only a carabiner. The REVERSO 4 is rope friendly, allows for smooth belaying and rope handling and will not kink the ropes regardless of the mode used. It also separates the two strands of rope when belaying and rappelling. Reverso mode aluminum attachment point is easy to identify and a keeper cable keeps the device from moving up the rope when belaying and reduces chances of losing the device. Use with symmetrical locking carabiners, Am'D or WILLIAM, to maximize efficiency (not included). The ultra-light and intuitive Petzl REVERSO4 Belay Rappel Device should be packed in your rack.
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Features of the Petzl Reverso 4 Belay Device Ultra-light design Minimalist construction Hot-forged aluminum Weight: 59 g A single device for all rope types Effective braking on half and Twin ropes ; 7.5 mm Effective braking on single ropes ; 8.9 mm Can belay the leader, one or two seconding climbers and can be used for rappelling Independent and simultaneous belaying of one or two seconding climbers in Reverso mode Quick changeovers from Reverso mode to belaying the leader when Climbing multi-pitch routes