These units are highly recommended by barrier-free design experts because they provide the optimum approach path for wheelchair use. Consult applicable codes for specific requirements. Swing up bar is only as strong as the wall and anchors to which it is attached. Grab bar must be securely fastened to wall to withstand the load it is intended to support. Units must be secured and anchored to wall or approved carrier according to installation specifications by a qualified tradesperson. Mandrel bending process on all curves maintains uniform bar diameter. Grab bar is manually lowered to horizontal support position and raised for departure. A locking system enables the flip up grab bar to be locked in either a horizontal or retracted position. Tubing is either 16 gauge type 304 1-1/4" O.D. (outside diameter) stainless steel with exposed surfaces in polished satin finish or 16 gauge steel with white finish. Comes with toilet tissue holder attachement.