Features and Benefits: Flare Die Set 37 Degree; 37 degree flaring die adapter kit; For 3/16", 1/4", 5/16" and 3/8" tubing; 1-piece turret; 7 adapters with 4-piece tube retaining dies; Covered by a 1 Year Warranty Create precision 37 degree double, single and bubble flares in second. Brake flaring tool works with stainless steel, steel and soft metal tubing. Use for brake lines, transmission cooler lines and fuel lines. Turret-style indexed head keeps all brake line flaring dies ready to use. Quick-release T-handle screw clamp securely holds tube-retaining dies. Includes brake flare forming tool, 3/16", 1/4", 5/16", 3/8" tube retaining dies, handle, instructions and case.