15m Battle Rope [38mm]Battle Rope 15m Long (38mm thickness) The commercial grade battle rope from Fitness Hero is an ideal tool for cardio and conditioning. It can help you burn up to 10 calories per minute while engaging nearly every muscle group in your body. Enhance your stamina and endurance by targeting multiple muscles simultaneously with this efficient workout accessory. Boost cardiovascular fitness and burn up to 10 calories per minute, making it one of the most