AIR FILE SET - 5 Piece Air File Set, FL-0865 INCLUDED FILE SHAPES - Flat, round head, half-round, square, and triangle air files with overall lengths of 140mm DURABLE - Made of high carbon steel for long-lasting quality and strength CONVENIENT - Comes with a protective plastic pouch to keep each piece organized PEACE OF MIND - Purchase with confidence backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects ANSI STANDARDS - Meets or exceeds the standards established by the American National Standards Institute PROFESSIONAL GRADE - Genius Tools are designed and made for use by professional technicians and built to perform over a lifetime of heavy use. Trust Genius for a quality tool at a value cost to you.