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I acquired my Mammut from Justin Tease in 2004.
The Mammut is forged from aluminum alloy and then hard anodized. Mine is 47 mm. long, 55 mm. wide, 101 mm. high, and weighs 60 g. The slots are 30 mm. long and 15 mm. wide. The top of the Omega oval carabiner that I use for comparing belay tubes sits 14 mm. below the ends of the slots. The keeper is flexible, plastic covered cable. The keeper is pinned in place, and the ends are not visible.
One side of the Mammut is etched with the Mammut logo, and the other with a rigging icon.
The plastic-coated cable keeper is moderately flexible, but stiff enough that it tends to stay out from under the rope.
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I acquired my Mammut Fuse from Eastern Mountain Sports in 2007.
The Mammut Fuse is forged from aluminum alloy and then hard anodized. Mine is 47 mm. long, 46 mm. wide, 75 mm. high, and weighs 42 g. The slots are 30 mm. long and 16 mm. wide. The top of the Omega oval carabiner that I use for comparing belay tubes sits 10 mm. below the ends of the slots. The bottom of the Fuse has a slope so that one end is 26 mm. high and the other only 12 mm. The keeper is flexible, plastic covered cable. The keeper is staked in place, and the ends are not visible.
Both sides of the Fuse have plastic inserts with the Mammut logo.
I acquired my Mammut from Eastern Mountain Sports in 2007.
The Fuse has a sloped bottom so I almost placed it with the Slotted Block Belay Devices, but the thin walls convinced me to place it here. The slope acts so that the rope will pull the carabiner to one side. This allows the user to vary the friction somewhat, provided they know in advance which way to rig the Fuse. The slots are shorter than normal, and combined with the shallow carabiner depth, this leads to more friction.
The plastic Mammut logo on the side is too pretty to scuff up on the rocks. Someone will undoubtedly tell me that the plastic is there to keep me from burning my fingers, but I prefer not to let my devices get that hot, if I can help it.
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©2007, Gary D. Storrick