... abrasive-resistant. 2, high wear resistance and high flexibility. 3, grinding ability, and the Silk Road even clear, good brightness 4 ... 5, the workpiece to be left without leaving any residue, or black discoloration 6, the dust of small, non-pollution. 7 ... :4" - 16" THICKNESS :0.2" - 4" non woven abrasive fiber grinding wheel