Very Heavy Resistance Tube Exercise Bands by FitCord.  FitCord Provides 4 Band Styles. Each styles comes in an Very Heavy Resistance Level that is 40 pounds of resistance. This resistance level is often used for the following: Strength Training for Advanced Fitness Level Muscle Definition for Men and Women Great for Larger Muscle workouts like legs High Resistance Levels for Average Men Very Advanced Resistance Level for Women What each Band Style is Used for: FitCord Original Band- General Exercise  X-Over Bands- Arm and Shoulder Strength Training and Rehabilitation Body Sculpting Band- Home Gyms, Exercise Class, Strength Training and Fitness Class Perfect Therapy Band- Rehabilitation Every style replaces free weights, dumbbells, gym equipment and rubber band style resistance bands for a more effective, more comfortable, safer and more consistent workout.