Usage: The grinder is magical and sticky and should be used with perforated suede sandpaper. Sanding disc holes: 22 pieces. Dust collection function: The dust collection function can be realized by connecting the dust collection hole and the dust collector. Grinding disc type: magic sticky type. Portable: light weight and easy to carry, elastic and not easy to deform. Weight: 226g. Sanding disc size: 20070mm. Reasonable design: comfortable grip, suitable for long-term use, not tired, no hand grinding. Disc shape: square. Wide range of applications: suitable for wood polishing, household cleaning, car maintenance, finish grinding. Features: Material: plastic. Weight: 226 g. Grinding disc holes: 22 pieces. Grinding disc shape: square. Grinding disc type: magic glue. Grinding disc size: 200 x 70 mm. Contents: 1 sanding block.