Designed to wrap around a 3 inch medium, such as a tube, rail, pipe or wood 2 x 4, to secure or hang items. Examples include construction (such as to raise 2 X 4 walls, hang items, squaring 2 x 4 walls, hanging or secure ladders or equipment from truck racks etc). Other examples but not limited to, include the camping or recreational industry to hang lights or bug zappers from camper awnings or other mediums, pulley attachments, securing items to fixed objects such as in windy conditions, etc.
The hole diameter if the eye is 13/16 inches (.8125) or 20.63 mm. Recommend load is 3,000 pounds with a breaking weight of 9,000 pounds. See other sizes for additional examples of use.