The Ergotron StyleView 45-261-026 Sit-Stand Combo Extender Arm is a durable and polished aluminum unit designed to support a 17-inch monitor. This versatile extender allows users to easily transition between sitting and standing, promoting better posture and reducing the negative effects of prolonged sitting. With its sleek silver and black color scheme and compatibility with universal monitor models, this Ergotron product is a stylish and practical addition to any workspace in need of a reliable monitor mount and stand solution.