The B-52 will catch falls on any rope size (7.8mm-11mm). It was designed to feed and rappel effortlessly and it can belay one or two seconds. When belaying a the seconds the B-52 can be used directly off the anchor in auto-lock mode under the weight of a climber. Another feature is that it can also be used as an emergency ascender. Compared to a Petzl Reverso it is much lighter and is a solid piece of metal instead of various parts.
Similar Products: Black Diamond ATC & ATC-XP, DMM The Bug, HB Sheriff, Metolius BRD, OP SBG II, Petzl Reverso, Trango Jaws, Trango Pyramid.