The Concept SkiErg 2 Replacement Shock/Bungee Cords are brand new accessories designed for gym and training activities. Made by Concept2, these pulling ropes/straps provide resistance for a variety of workouts, making them ideal for fitness enthusiasts looking to enhance their exercise routine. Whether used for weightlifting, resistance training, or other fitness activities, these replacement cords offer a durable and reliable option for those seeking to improve their strength and endurance.