Makita 5/32“锯链锐化工具包(d - 75910) is designed for use Makita Chain Saws that use Makita 25AP (1/4", .050"), 80TXL (.325" LP, .043") and 91PX (3/8" LP, .50") saw chains. The D-75910 contains premium files that provide precision sharpening results on saw chain. The Saw Chain Sharpening Kit includes two 5/32" diameter saw chain files, one file guide, one flat file, one depth gauge tool and two file handles. The premium files provide precision sharpening results on saw chain, feature double-cut teeth for faster metal removal, and are heat-treated steel for long lasting sharpness.