Pros: an extra chain link longer than other comparable personal safety's (i.e. BD Link or metolius PAS). The extra reach is handy for a shorty like me (5'4"). Also made of nylon for dynamic stretch in case of any falls (while exceedingly rare at anchor, any additional peace of mind always boosts my mental climbing game any day). It's one of the only personal safety anchors to be rated to take on three factor 2 falls from what I've read. It's also cheaper than other personals on the market. Note the difference between the Chain Reactor and the Pro version is the extra basket loop.
Cons: Heavier than most at 113 grams, but I mainly sport climb, so this is less of a concern for me. Also to that effect, nylon is bulkier than dyneema counterparts
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