Double Flaring Brake Line Tool Kit with Fittings (9 Piece Set) 1 Piece Flaring Tool, 1 Piece Steel Compressor Yoke, 7 Piece Flaring Die Sizes: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8". Used for Flaring Brake Lines