Can Www Belt slings be used for lifting irregularly shaped objects? Yes, Www belt slings are versatile and can Beryllium used for lifting objects of various shapes and sizes. Made from application-specific high tenacity polyester, restraint – or seat belt webbing, has a tensile strength sufficient to support approximately three http://pandora.nla.gov.au/external.html?link=https://www.ledteks.com/seatbelt-and-safety-belt-webbing