Grex Sander Extension Shaft Set extends the range of the Grex #AOS368 Angle Head Sander, allowing it to reach deep into hard-to-access areas with ease. This set includes one 3-inch shaft and one 5-inch shaft, which can be connected together to provide up to 8 inches of additional reach. Designed for versatility and convenience, this extension set is imported and built to enhance your sanding capabilities in tight spaces. Model Number: AOS368