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Your cart is empty.Gronk Fitness Adjustable Aerobic Stepper with Stackable Step Risers – The Ultimate Workout Platform for Cardio, Strength, & Physical Therapy Take your fitness to the next level with the Gronk Fitness Adjustable Aerobic Stepper, designed for total-body workouts. Whether you're looking to burn calories, tone muscles, improve balance, or rehabilitate injuries, this step platform is built for versatility and durability. With stackable step risers, you can easily adjust the height to increase intensity or modify workouts for low-impact physical therapy. Crafted from high-density, non-slip material, this step block provides maximum stability and grip, ensuring a safe and effective workout. Perform a variety of exercises, including step-ups, lunges, squats, burpees, tricep dips, and more—perfect for beginners and elite athletes alike. Lightweight yet sturdy, this compact and portable exercise step is easy to store and transport, making it an ideal addition to home gyms, studios, and group fitness classes. Whether you're using it for aerobic training, HIIT workouts, or rehabilitation, the Gronk Fitness Stepper is designed to help you achieve your fitness goals with every step.