Dozen 17081 Pferd 7" triangular chisel bit File for Square grind chain
One dozen Pherd part# 17081, 1250 type, 7-inch triangular chisel bit File for sharpening Oregon Square Grind chainsaw chain. This three-cornered file works for sharpening square ground Oregon saw chains, such as 72CJ, 72CK, 72CL, 75CL, 75CJ, or 75CK as well as other brands of square ground chain. Remember a filed edge is always sharper than a machine ground edge and cuts faster.