Oregon Part Number 70502 & 534370. 1 Box of 12 Oregon Chainsaw Chain Sharpening Files, 7/32" (5.50mm) and a Wooden File Handle. Use for sharpening Oregon Type 73DP, 73LPX, 75DP, 75LPX, & 59L chains. Removes more material than a single-cut file over the life of the file.
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