Ideal for mobility training before home discharge. Height-adjustable rails allow the therapist to tailor the stairs to the client for optimal safety. Locking casters make it easy to reconfigure and ensure stability when locked. Quality construction: natural-finish wooden steps with nonskid surface, sturdy steel frame and handrails. Module One has four six-inch steps and measures 24"H x 37"W x 67"L. Module Two has six four-inch steps, measures 24"H x 37"W x 50"L, and can be nested under Module One for storage. Requires assembly of handrails. Latex free.