Hold on tight with the universal, knot-free and straightforward CamJam SlideLock rope tensioner. This intuitive rope tensioner made of durable cast aluminum allows you to tension, connect and secure heavy loads without knots. The small rope tensioner has a load capacity of 280 pounds (100 pounds with the included 10 foot paracord). With CamJam, it is easy to familiarize yourself with ropes. The SlideLock carabiner securely attaches and locks to a D-ring, roof rack, tarpaulin eyelet and various anchor points, ensuring a quick and secure connection. The easy pull to tensioning cam mechanism allows you to insert virtually any type of line or rope and tighten it to instantly achieve untearable tension around light to heavy loads. And when you need to release the tension, simply lift the quick release lever to release the tension and move on. The small cord tightener is suitable for cords with a diameter of 2 mm to 5 mm.