... patent sander Detailed Product Description1. Environmental friendly sander2. dust-absorption rate up to 98%3. top-quality ... the first enterprise who stepped into the Non-Dust Multifunctional Wall Space Sander field in the whole ... Shaft: M8Instrument Components: Sander, Suction Machine, Dust Sucking Conduit, Dust Collecting Sleeve, Braces, Tube, Trigeminal Tool, Tool Case. Title PowerWeight Revolving ...