17081 Pferd 7" triangular chisel bit File for Oregon Square Ground saw chain
Frawleys Saw Shop - loggerchain.net
part# 17081 Pferd 7" triangular chisel bit File for sharpening Oregon Square Ground saw chain. This three-cornered file works for sharpening square ground Oregon chains, such as 72CJ, 72CK, 72CL, 75CL, 75CJ, or 75CK as well as other brands of the square ground chain. Remember a filed edge is always sharper than a machine ground edge and cuts faster.