Check the listing for details. Nite Ize CamJam Ring - Rope Tightener with Webbing Sling 240-lb Working Load. Color: Black, Condition: New. Listed at 17.08 USD. Solve everyday problems with the Nite Ize CamJam Ring Tightener & Webbing Sling. Whether you’re securing gear for an outdoor adventure, organizing equipment at home, or handling heavy loads at work, this versatile rope tightener device ensures reliable performance every time. Crafted from durable cast aluminum, the CamJam rope tightener is built to withstand demanding conditions. Experience the convenience of the cord tightener’s easy-to-use design, which allows you to tighten, tension, connect, and secure virtually any cord or rope without the need for complicated knots. The pull-to-tighten cam mechanism delivers instant tension. The quick-release lever enables swift adjustments, allowing you to release tension effortlessly whenever needed.