Skillbuilders Half Roll 4 x 18 w 2 Elevation Impotence Batteries NOT included 67440000 Batteries NOT included Designed to provide anatomical motion for the shoulder with enhanced patient comfort compliance and more beneficial outcomes * Addresses full range of motion capabilities * Easy to use hand control for storing treatment data on memory chip card * Fully synchronized motors allow treatment parameters to be customized to meet patient's specific therapy protocols * Ergonimic rest for healthy arm and fully adjustable chair * Patented Universial Left Right Shoulder design * Folds easily for transport shipping * Lightweight design 55 lbs (25 kg) * Two year limited warranty * CHAT20719 Fleece Upper and Lower Arm Patient Kit Included * Skillbuilders© premium rolls and wedges have an integral waterproof polyurethane coating that is easily maintained * Half rolls combine stability of a wedge with the positioning versatility of a roll * Use with hook on bottom to anchor roll * Provides stable base for knee flexion and extension