Professional Flare Conversion: Precision 37° flare die set converts your deluxe 45° brake line flaring tool (#911-70081) to create AN-style flares in seconds., Wide Tubing Compatibility: Designed for use on 3/16″, 1/4″, 5/16″, and 3/8″ diameter brake, fuel, and transmission cooler lines for versatile hard-line fabrication., Complete Die & Turret Set: Includes a turret-style adapter with seven indexed positions and four tube-retaining dies for efficient flare production., Double, Single & Bubble Flares: Form accurate 37° double flares, single flares, and bubble flares quickly and consistently for leak-free tube connections., Time-Saving Tooling: Turret design saves time by eliminating die change delays — ideal for custom brake system builds and professional line assemblies.