Materials that can be worked:
Steels up to 370 HV (< 38 HRC)
Manufactured By:
Pferd Inc.
- The three square shape is designed for sharpening 3/8" chains.
Chain saw files by PFERD are used around the world for sharpening saw chains. They can be used individually with a handle or in combination with depth gauge files in the popular CHAIN SHARP chain saw sharpeners. Three square file for servicing and sharpening saw chains with a square gullet. For edge grinding saw chains. Second cut for universal sharpening tasks.