... by firmaly fixing the abraxive wires containing the su[erior abrasive sand and multiple polishing materials onto the base.It has ... the soft abrasive feature,and its materials are of high density,strong abradability ... (mm)gritbursh14017024#,36#,46#,60#,80#,100#,120#,180#,240#,280#,320#,400#,600#,800#,1000#,1200#,1500#,1800other types are ...