1.Spindle lock 2.Variable speed 3.Switch 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 are manufacturer we have enough goods carried in stock,so we can offer the goods you want in a short time(Generally 10~30days after payment).Discount: According to ...