1.Efficiency Boost with Drywall Sander: Enhance your sanding tasks with this spacious hand sander, measuring around 7cm by 40cm, which can hold either a 70mm mesh sand or two separate sheets of 70x198mm sanding paper. This size guarantees a seamless and smooth sanding experience, compatible with both PSA sanding paper and PSA roll sandpaper 2.High-Flexiblity: Our adjustable sander is designed with an adjustable and bendable feature. These adjustable hand tools can be set and held in concave or convex shapes, ing a versatile sanding solution 3. Material: Made with high hardness abrasive material, our adjustable longboard hand sander can withstand heavy-duty use and last for years 4.Comfortable to Hold: This product is lightweight handle has a larger area for a comfortable grip, and can easily attach the ring-shaped longboard file sandpaper piece. Even control when sanding flat surfaces, tight corners, contours and any other hard to reach areas