The Malta Dynamics 5K Swivel Anchor is used in our Grabber Mobile Fall Arrest System and connects to the top of an RA12. This particular anchor rotates 360 degrees and flips 180 degrees. The swivel anchor can be used on steel flanges or concrete substrates. The safe working load for this product is 2,000 pounds and has an ultimate breaking strength of 5,000 pounds. This anchor is composed of zinc plated steel.