6PC Steel Wire Wool Set - 2x Extra Fine, 2x Medium, 2x Extra Coarse 20g Rolls
2 x 20g rolls of #4 Extra Coarse. 2 x 20g rolls of #000 Extra Fine. Finally, the#4 Extra Coarse rolls are perfect for heavy-duty tasks like cleaning engines, roughing up smooth surfaces, heavy-duty stripping, and cleaning stone surfaces.