Thank you for viewing! Please let me know your desired angle (40°, 50°, or 60°) via the transaction message after purchase. 30° is also available on another page. Please refrain from price negotiations. Thank you for your understanding. --- This is an angle adjustment stand specifically for the Logicool MX ERGO and MX ERGO S. It uses magnets, metal plates, and interlocking features to attach to the MX ERGO body by sandwiching it with the plate. It allows for a more inclined angle than the standard 20°, enabling work at a more natural hand angle. - A stick is included for removing the ball, and it can be stored securely with a magnet when not in use. - It has a smooth and simple design that matches the shape of the MX ERGO. - The stand will not fall off even if you lift the trackball. - 40° is popular, followed by 50° and then 60°. As the angle increases, the height of the ball also increases, so you may need to adjust the height of your hand with a cushion, etc. Made in Japan Color: Black Material: Plant-based resin (bioplastic PLA), iron, magnet *Please note that this product is manufactured with a 3D printer, and there may be surface irregularities such as layering and stringing. *Only the angle adjustment stand is included; the MX ERGO body and metal plate are not included. Type: Mouse #mxergo #mxergos