KLB Sport 36″ Adjustable 6″-8″-10″ Workout Aerobic Stepper in Fitness & Exercise W/4 Risers $53.99 Make sure this fits by entering your model number. With 4 risers to adjust the height and easy to install for 6″,8″,10″, Platform: 35.5″ x 12.6″ Great for workout classes and regular home use, you can work out anywhere in your home, office or take it with you to your friends’ home!