... lock 4.High power and high work efficiency 5.Disc polisher,polishing machine,sander Disc polisher,polishing machine,sanderCertificate: Certificate of CCC ISO9001 certificateDelivery Time: We ... coated abrasives, diamond polishing systems, light weight diamond wheels or brushes to grind, hone, polish or clean concrete, terrazzo, marble or ... /minPackage:5PCS/CTNG.W:3kgN.W:2.5g 150mm Polishing Machine