The Astro Pneumatic 222S 5" High Speed Sander is a powerful tool designed for automotive and industrial applications. With a maximum speed of 20000 RPM, this sander is perfect for quickly and efficiently sanding tasks. The pistol grip design provides comfortable and precise control, while the 1/4" air inlet size ensures easy connection to your air supply. As a single item, this high-speed sander is a reliable and durable tool for all your sanding needs.