The K Tool International 70083 37 Degree Flaring Die Adapter Kit is designed for producing accurate flares on brake, transmission and power steering lines. It works with 3 16, 1 4, 5 16 and 3 8 inch tubing, covering the most common automotive line sizes. The kit includes a one piece turret with seven adapters for quick size changes and consistent alignment, along with four tube retaining dies that securely hold tubing during the flaring process. Compatible with the KTI70081 Professional Brake Flaring Tool and handle, this kit is backed by a one year warranty and built for professional shop use.