Quadtro Low Profile 16 x16 Wheelchair Cushion Cuff Weights Racks Black powder coated chip and 18747 Black powder coated chip and wear resistant finish * Each upright telescopes up to 13 and locks into (9) height positions with fail safe ball tip locking pin * Designed to easily fold to save space * Unit is only 10 wide when folded * Height adjustable from 28 to 41 * 400 lb each (2 Sections) * Weight Capacity 800 lbs * For Wheelchairs & Scooters * Usage Guidelines:1 3 Steps Some Minivans SUVs LOW PROFILE 2 HIGH * 16 x 16 * Customized fit through the simple push of a knob * The revolutionary ISOFLO© Memory ControlTM offers shape fitting capabilities while the user is seated allowing quick and easy on demand adjustment to maximize function * The QUADTRO SELECT Cushion allows for quick simple position selection for every user while seated * Stability is enhanced by locking the air into place in each of the four quadrants * Easy to handle and carry at just 3 Please call customer service for details