The contoured armrest and handle of the Optima can be folded up when not in use. It has a support leg that adds stability to the rail when in the folded down position. The support leg has a screw foot to enable it to fit a sloping floor. Rail height 800mm (311/2'). Height when folded up 1475mm (58'). Rail length 715mm (281/4'). Backplate 165 x 304mm (61/2 x 12'). Weight 2.4 kg.