|Piu' (a.k.a. GTC)||Piu'2|
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I acquired my Piu' from Climb Max in 2003.
The Piu' is a 2-slot hybrid belay device forged from aluminum and soft anodized. It comes with a plastic covered cable keeper. Mine is 44 mm. long, 80 mm. wide, 85 mm. high, and weighs 74 g. The rope holes are rectangular, measuring 27.4 mm. long and 12.9 mm wide. A release tab at the side has a 19.5 mm. carabiner hole. The top surface is flat except for a raised area on the rib between the two slots. The bottom surface is irregular.
The Piu' has "ITALY and the Cassin logo stenciled on the top.
The Piu' is a solid belay device. It has some more effective mass than some of the tube belayers, but it can still get hot.
The bottom surface of the Piu' is convex where it touches the carabiner, much like the Trango B52. I find that this tends to push the carabiner to one end or the other - but which end varies with conditions. In either case, this probably increases friction somewhat, but I really don't notice a strong effect. Curiously, the bottom surface is almost a mirror image of the one on the Metolius BRD. Both devices work well so I don't see that the bottom surface shape is all that important.
The tab functions like the tab on the Metolius BRD, aiding in lowering. Like the Mammut Matrix, the tab has a carabiner hole. Not only does this lighten the device, it also provides a secure place for attaching the Piu' to my harness when I'm not using it. It also provides a place to clip the anchor carabiner when used as an autoblock (see the Trango B52 page for an illustration).
My Piu' was originally sold as the GTC.
DO NOT hang the Piu' by the keeper cable when using it as an autoblock. The cable is not strong enough to support humans.
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I acquired one Cassin Piu'2 from Mountain Gear in 2010 and another in 2011.
The Piu2' is a 2-slot hybrid belay device forged from aluminum and soft anodized. It comes with a plastic covered cable keeper. Mine is 43 mm. long, 88 mm. wide, 84 mm. high, and weighs 82 g. The rope holes are 35 mm. long and 12.6 mm wide. Each has a V-slot with two ribs. A release tab at the side has a 19.4 mm. carabiner hole. There is a 12.4 by 9.8 mm. auxiliary hole at the other end. The top surface is flat except for a raised area on the rib between the two slots. The bottom surface is irregular.
The Piu'2 has the Cassin logo stenciled on the front and two rigging illustrations, a book-with-an-"i" icon, and "PIU'2" stenciled on the back.
The Piu'2 is another solid belay device. The V notches increase the holding power somewhat compared to the Piu'. Most of my comments on the Piu' also apply to the Piu'2.
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