The Width Adjustable Handrail enables you to adjust the DST's width to suit your patients' needs, from children to athletes. Allows to adjust the width between the handrails. Allows very young children and seniors patients to practice on the DST with full confidence and safety. Each WAH can decrease or increase the width between the handrails by 12 cm. (4.7 Inch). The DST comes with 2 handrails that can be adjusted vertically. The WAH can be added on one side of the DST or on both sides. One or two WAH can purchase with the DST or can be added later on by the customer.