Fickert Brick: 1.Grit:8#,16#,24#,36#,46#,60#,80#,120#, ... #,800#,1200#,1500# 2.Spec:L140 mm,L170 mm Fickert Brick: 1.Grit:8#,16#,24#,36#,46#,60#,80#,120 ... :L140 mm,L170 mm3.Characteristic:Used for to continuous grinding machine,strong sharpness,average grit,good abrasion strength and low cost ...