Specs: Description: 5/32In File & Guide With handle , Filing guide is etched with precise sharpening angles for accurate sharpening , Round files are precision engineered for smooth and efficient sharpening , A sharp chain is a safe chain; check chain frequently and sharpen as needed , Filing guide grips cutter securely, keeps files at the correct depth, and provides a fast, smooth sharpening experience , Each round file is manufactured with a double-cut design to resist clogging , Ergonomic handle provides a secure grip while filing/sharpening Replaces OEM Numbers: Oregon: 5/32 in. File and Guide Compatible With/Replacement For: A complete saw chain filing system for use with sharpening all 3/8″ LP pitch saw chain; TriLink S chains