Serrated on one side, smooth on the other. Sharpen trout-size hooks with the serrated side. Polish it smooth with the smooth side of the file. Only 2-1/2" long x 1/2" wide x 1/8" thick.
Serrated on one side, smooth on the other. Sharpen trout-size hooks with the serrated side. Polish it smooth with the smooth side of the file. Only 2-1/2" long x 1/2" wide x 1/8" thick.