The ASL 625A Aluminum Collar Joystick Mount Small provides the most flexibility in a chin joystick mount. It is height and angle adjustable and has a strap to attach around a client so the joystick always stays securely in place. The height adjustability is a range of ten inches with the width of the collar being 4 1⁄4th inches. It is shown with an ASL 130 Micro Extremity Control, but also works with the ASL 131 Proportional Mini Joystick or the ASL 132 Pediatric Compact. Must Specify Joystick. Joystick Not Included.