Ltpgtltstronggtstep up your fitness with the 66fit adjustable aerobic exercise stepltstronggtltpgtr ltpgtimprove your cardiovascular strength and stamina with the 66fit adjustable aerobic stepltpgtr ltpgtfully adjustable our aerobic exercise stepper allows you to choose between a minimum height of 10cm and a maximum of 15cm increasing the intensity of your workout as you goltpgtr ltpgtto adjust the height of the step simply insert the attachments provi