T1 L140 MAGNESITEABRASIVE STONE 1.High grinding efficiency; 2.Long service lift; 3.Competitive Price. Grit: 24#,36#,46#,60#,80#,100#,120#,150#,180#,220#,240#,280#,320#,400#,600#,800#,1000#,1200#,1500#,1800#,2000#,2500#,LUX T1 L140 MAGNESITEABRASIVE STONE