1.Screw pin anchor shackles is a very versatile clevis as it can be used anywhere such as marine, agricultural, and industrial applications2.Anchor shackles help protect the eye of a nylon lifting sling or polyester round slings from wear and tear3.Used for coupling chain and wire rope, convenient, strong, durable and does not rust.which is crucial for intensive use, or for certain types of rigging. Don’t compromise on quality - ensure that you opt for this high quality product and not for cheaper alternatives.so they can handle most workloads & the size of this product makes it versatile enough to suit most strap sizes. Simply attach one of the various recovery strap types to the correct towing point on your vehicle and you will be able to