Effective Dust Extraction System: Connect to vacuum hose through dust removal hole for cleaner work environment. Magic sticky base holds perforated sandpaper securely during wood polishing and surface preparation. Comfortable Hand Sanding Block: Ergonomic 200x70mm design weighs only 226g with comfortable grip that reduces hand fatigue during extended sanding sessions on wood and automotive surfaces. Versatile Grinding Sponge Application: Flexible sponge material conforms to curved surfaces for automotive maintenance, household cleaning, and finish grinding with consistent pressure distribution. 22-Hole Sanding Block Design: Square grinding disc pattern with magic sticky type attachment ensures secure sandpaper hold. Plastic construction maintains elasticity without deformation. Multi-Surface Sanding Solution: Suitable for woodworking projects, wood polishing, automobile body repair, and household surface preparation with dust-free operation when connected to extraction system.