[#400]
[#180]
[#120]
[#320]
Maximum Usage Period: 10.9 ft (45.5 m) s/s (2732 m/min) - For removing strong rust, removing black leather, etc. For welding burn, paint removal, stainless steel finishes, etc. The high amount of nylon used for long service life. Unlike whetstone, it can be sharpened without the risk of too much sharpening.