Aluminum construction provides excellent durability and performance for most industrial applications. •For use in both indoor and outdoor applications to prevent cable pull-out, control arc of bend, and to provide a tight seal against environmental elements such as dirt, moisture, and coolants. •IP 67 rated. •Protect cable from damage and pull-out and are used in conduit hubs or knock-outs at the point where the electrical cable is to be terminated. •Unique design with a combination tightening surface that includes both a hex area and a knurled surface. •Anti-friction washer allows for easier compression. •DFARS Compliant