BodyFit Sports Authority Aerobic Step Platform Workout Equipment Exercise Stepper Risers Fitness Aerobic Stepper helps develop strength & agility; Must have exercise equipment for home gym aerobic step. Perfect step aerobics platform risers for step aerobics riser workout. Adjustable aerobic exercise equipment; Adjust height level to increase workout intensity: Two height level adjustment levels, 4 & 6.5 Total body workout. The BodyFit step aerobics platform improves aerobic conditioning; Aerobic step risers a great for step aerobic exercise workout Platform aerobic step stool has four non-marking non-slip rubber legs, Risers store conveniently in the bottom of step, Slip resistant surface, Made in Taiwan Lifters: 2.5H, Aerobic platform: 25L x 10.5W x 4H; Max weight capacity is 220lbs/100kg