Each cam is rated to 14 kN in the active, working position with the quick release sling doubled, and 12 kN with sling fully extended. The passive strength of the cams, resting on their stops, is 10 kN.The cam lobes are cut to a 13.75? spiral. This has proven to be the best angle for balancing a cam's range and holding power. DMM's cam lobes are anodized for easy, size identification on the rack.* Please note cams sold separately.