The Occipital Angle Bar is a neck support designed to provide head, neck, trunk, and shoulder support for individuals with severe physical disabilities or spinal cord injury during wheelchair use. The bar is made of high strength aluminum alloy padded with high resiliant foam tubing and covered with a Lycra slip cover. The bars are U shaped with a 30-degree angle at the bends. The unit includes two quarter-inch 20 x 0.5 inch SHHD screws for attaching to the Swivel Tube or "T" Tube-Plate weldment. SIZES: Available in small and large DIMENSIONS: The foam is 1.5 inches in diameter. The horizontal section of the bar is 4 inches long. The angled sections are 3 inches long on the small bar and 5 inches long on the large bar.