... Inside Wall Rubbing5.EfficiencySander Multifunction Woodworking Grinding Machine 1.Product Introduction Sander Multifunction Woodworking Grinding Machine is an updated product ... Rate: 98%Main Shaft: M8Instrument Components: Sander, Suction Machine, Dust Sucking Conduit, Dust Collecting Sleeve, Braces, Tube, ... special service can be acceptable. Sander Multifunction Woodworking Grinding Machine