The Makita 5/32" Round Saw Chain Files (D-75683) are for use with 1/4", .325" LP, and 3/8" LP saw chains. The premium files provide precision sharpening results on the saw chain. The files feature double-cut teeth for faster metal removal and are made of heat-treated steel for long-lasting sharpness. Two (2) 5/32" (4.0 mm) diameter saw chain files per pack.