Kellems® I-Grips are made of high strength, plastic coated galvanized steel strand. They are offered in six sizes to fit all cable diameters used with Hubbell Insulgrip® Kellems l-Grips will control cable arc-of-bend and reduce high pull tensions from being transmitted to the wiring terminals. Controls cable arc-of-bend Provides heavy-duty strain relief Easily attached to Insulgrip plug and connector body Plastic Coated Mesh