Material handling slings are made from strong, flexible nylon web. All have abrasion-resistant treatment applied for longer life. Red yarn woven into the core of the web acts as a safety feature, warns operator when sling replacement is due. Two-ply flat eye slings for heavy duty jobs. Meets or exceeds current industry and government (OSHA and ANSI B 30.9) requirements. Approximate thickness is 3/16in.