Hand Dust Extraction Sanding Grinding Sponge Block Dust Free 200*70mm Features: Comfortable grip, suitable for long-term operation, not tired, not grinding hands. Light weight and easy to carry, elastic and not easy to deform. The dust collecting function can be realized by connecting the dust removing hole and the dust collector pipe.  The grinder is magic sticky type and needs to be used with perforated suede sandpaper. Suitable for wood polishing, household cleaning, automobile maintenance, finishing grinding. Specification: Material: Plastic Weight: 226g/8oz Grinding Disc Holes: 22pcs Grinding Disc Shape: square Grinding Disc Type: magic sticky type Grinding Disc Size: 200*70mm/7.9*2.8inch Package List: 1 x Sanding Block