This 4-inch (100mm) DMT Diamond Chain Saw File with 5/32-inch diameter (4.0mm) is specifically designed for sharpening smaller pitch chainsaw chains. The 5/32-inch sizing makes it ideal for maintaining chainsaw blades commonly found on compact and mid-range chainsaws, ensuring you have the correct file diameter for optimal sharpening results. Featuring diamond grit technology and blue coarse grit finish, this file delivers professional-grade sharpening performance that significantly outlasts con
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