p>It’s not easy to lose even a little weight for any of us which makes the Attache 3D locker from Petzl (petzl.com), due April 2009, impressive: it’s 37 percent lighter than the popular Attache, on which it’s modeled. To accomplish this slimming, Petzl’s R&D masterminds turned to computer models, to determine where to subtract aluminum (to drop ounces) and where to add it (to maintain strength). The calculations were so effective that, while the Attache 3D is the same size as the Attache, it sports 1kN more opengate strength and a gate opening larger by 2mm. A perfect belay biner or anchor builder, the Attache 3D is a solid addition to Petzl’s line.
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