BIG AND STABLEThe biggest cams around! Trango's Big Bros are your way to go. The expanding tube chock design is stable, lightweight, easy to use and strong. Because of their stable nature when they're placed correctly, they're almost impossible to dislodge when you're grunting by them and they make a nice and smooth guide at the lip of a roof. Their expansion range is phenomenal. FEATURESBig Bro's are to be slung with 5mm tech/dyneema cord or 5.5mm spectra cordExpanding tube chock design is stable, lightweight, easy to use and strongTECH SPECSStem Type: singleAdditional Features: Seam taped, yesSeasonal Use: 3 seasonsClimbing Hardware Type: Camming devicesMaterial: Aluminum