1、Curved Surface Sander: This handheld grinder is suitable for polishing and sanding the curved surfaces of model, providing a textured appearance for the model, which is convenient and practical. 2、Aluminum Alloy: This curved surface grinder is made of excellent aluminum alloy, with sandblasting and anodizing process, rust and erosion resistance, high strength, suitable for various environments. 3、Opening Adjustment: Adjust the screw in the middle of this curved surface sander to control the size of the opening and the curvature of the sandpaper, making it easy to cope with all types of curved surfaces. 4、Comfortable Grip: This curved curved polisher is designed for handheld use with an ergonomic handle, ensuring comfortable and convenient grip, effectively reducing hand fatigue, and improving work efficiency. 5、Convenient to Use: This curved surface polishing tool has a compact size and lightweight design, making it convenient to use, store, and carry. The hollow design at the handle bottom facilitates hanging storage.