PFERD Chain saw files, round (EDP: 17078) // Round file for manual sharpening of saw chains with precise spiral cut for outstanding sharpness and particularly long service life. For fast, score-free sharpening of saw teeth. In comparison to machine sharpening, these files remove stock sparingly without the thermal strain caused by friction on the metal. // Contents: 6 x Premium line chain saw files // chain saw file dia.: 7/32 inch // Chain pitch: 3/8, .404 inch // Compatible handle EDP: 17045, 17046 // Materials that can be worked: steels up to 370 HV (38 HRC) // Applications: sharpening // Premium line: Perfect sharpness due to innovative spiral cut, for ensuring a fine tooth surface for maximum cutting performance and a gentler feel to the tool while filing.