"GENERAL TOOLS" SWISS PATTERN NEEDLE FILE SET * 4 Piece * Swiss Pattern Needle File Set * Designed For The Exacting Requirements Of Tool & Die Makers, Jewelers, Watchmakers & Hobbyists * Includes 3 Most Commonly Used File Shapes: Flat, Round & Triangular * All Are High Quality Tool Steel & Measure 5-1/2", 138MM Long, A 5-1/2" * 138MM Long Knurled Aluminum Handle Provides Maximum Filing Control & Comfort, 8-1/2", 213MM Overall Size.