Ripcords are the ideal go-anywhere fitness tool. They are highly versatile, allowing you to target a variety of muscle groups, such as those used in sports-specific movements. Ripcords work the whole muscle, including the stabilizers and provide tension throughout the entire movement of the exercise. The Ripcords Advantage * Each Ripcord comes with its own durable handles - no need to clip and unclip between exercises * Ripcords are the strongest on the market with resistance levels of 3-62 lbs * Lifetime Warranty * 90 day Money Back Guarantee * All single cord purchases do not include Door Hook Attachments. Door Hook sold separately. Guarantee We are so confident that Ripcords and the Circuit7 will transform your body, we guarantee it! If for any reason you are not completely satisfied with the way you look and feel within 90 days, simply send it back for a full refund, no questions asked. Warranty Ripcords are strong. And we back them up with a 100% Lifetime Warranty. If they do break, simply return them and we will replace them absolutely FREE. You pay only a small shipping and handling fee.