The Ice-Scream offers the same properties as the standard Screamer with the addition of a convenient tie-off mechanism for ice screws.Shock absorbing sling designed to limit peak loads in any climbing situation. When the Screamer activates, the action of the stitch ripping produces a loud tearing sound, indicating the system has reached the activation point of the Screamer(>2 kN).
See this page on Yates' website for detailed examples of how screamers can reduce the load to runners and anchors.
Activation >2kN. Reduction in system peak loading 4-8kN. Runner strength 26kN