Patented tension based sandpaper locking system allows studio grade using interchangeable sandpaper (sold separately) to eliminate slipping during aggressive molding and delicate sandpaper Designed with an ergonomic non-slip grip and a lightweight body, this sanding tool reduces long time hand fatigue while maintaining control of complex curves and hard to reach areas Professional curved sander designed for modeling enthusiasts with a floating structure that adapts to complex contours and narrow corners and allows sandpaper replacement without the use of adhesives Perfect smooth concave in workshops, hobby stations, architectural model studios, rounded edges and recessed corners - Works on curved surfaces, resin casting, and clay sculpting Ideal for scale model builders and professional sculptors who need meticulous detail work for resin sets, print prototypes, or miniature terrain projects to perfection, Manufacturer: Pffiocix