Compact Crowning File Hosco Brand - Made in Japan Wide, .120"(3mm) width Coarse and Fine crowning surface For crowning frets after leveling 4 15/16" (100mm) crowning surface Rubber grip for non-slip use Hosco's new compact crowning file with both fine and coarse surfaces. Larger triangles indicate the coarse surface and smaller triangles indicate fine surface. Easy to see arrows indicate cutting direction. Color grip indicates crowning size...Red Wide/Jumbo, Yellow Medium, and Blue Narrow.

Hosco's new compact crowning file with both fine and coarse surfaces.  Larger triangles indicate the coarse surface and smaller triangles indicate fine surface. Easy to see arrows indicate cutting direction. Color grip indicates crowning size...Red Wide/Jumbo, Yellow Medium, and Blue Narrow.