1、【Aluminum Alloy Construction】: Crafted from high-strength aluminum alloy, ensuring durability, corrosion resistance, and long-lasting performance. 2、【Flexible Surface Adaptation】: Enables precise and detailed sanding on flat surfaces, inner curves, and corners, adapting to complex shapes and contours for superior sanding results. 3、【Adjustable Tension Wheel】: Features an adjustable tension wheel for quick and easy adjustment of sanding belt tension, maintaining appropriate pressure and high stability during use. 4、【Versatile Compatibility】: Designed to accommodate a variety of sanding belts, including those with a circumference of 330mm and widths of 25mm, with grit options of 120#, 240#, and 320#, suitable for a wide variety of applications. 5、【Easy Maintenance】: Allows for the installation of broken sanding belts by simply loosening the screws, facilitating quick repairs and replacements without the need for special tools.