Rescue 8, Aluminum, Tensile: 8992 lbs (40 kN), Notes 2: Figure 8’s may also be used as a belay device when a more appropriate tool is not available. The, Notes 2: Rescue 8 has ears for extra friction on heavier loads and is available in both steel and aluminum, Notes 2: (the Straight 8 is available in aluminum only)., Notes 3: Use the aluminum 8’s for personal descent and the steel 8’s in conjunction with a sling for, Notes 3: light-duty rigging.