Reiben Brick

rubbing brick,grinding stone Applications:It is suitable for grinding and polishing stone,floor,and etc.Popular Size:4" x 2" x 2"100 x 50 x 50mmRectangular6" x 2" x 2"150 x 50 x 50mmRectangular8" x 2" x 2"200 x 50 x 50mmRectangular75 x 50 x 20mmTriangleMaterials:A ( brown aluminum oxide ), WA ( white aluminum oxide )C ( black silicon carbide ),GC ( green silicon carbide )Grit size:20#,24#,36#,46#,60#,80#,100#,120#,180#,240#...They also can be supplied in required sizes,materials, grit sizes and types.