- For smoothing rough edges on curved pottery surfaces, intricate wood carvings, and model-making projects where a flat sander cannot reach. - This multifunctional sanding tool features optimized weight distribution to reduce fatigue during longer projects, making it essential for preparing curved surfaces across multiple materials. - The handheld polisher with a curved surface offers a center dual-action design for general polishing, plus hard-grit performance for concave surfaces. - Made from lightweight materials with an ergonomic grip, it handles irregular curves in ceramic, woodworking, and miniature modeling projects with comfortable control. - Use scenarios: smoothly finish a curved ceramic vase edge; refine concave details on a wooden sculpture; shape and prep surfaces on small-scale models or dioramas.