Baum Extendex Tubing 8' w Connectors Crutches Aluminum Rocker Board * The new HERH6036TW Rocker Board * The new Thera Band© Rocker and Wobble Boards combine an aggressive anti slip base design with a sensory stimulation surface to offer a new performance level to balance training * The Rocker Board moves forward and backward while the Wobble Board has a rounded bottom that moves in all directions * Both are made from lightweight molded plastic * Rocker Board: 13 1 8 x 14 * Small * Fits circum Extendex© Tubing: All tubing is available in Latex or Non Latex * In ordering tubing for our various models follow this guide: * Kompak Desk hi Lo© 2 ft straight * Standby© 4 ft