Astro 78270 Self Centering Cone Type Flaring Kit Capable of creating a single lap, 45-Degree angle flare on soft copper, brass, aluminum, and mild steel tubing of 0.75mm to 1.5mm thickness Includes special flaring bar design to ensure prolonged tool life and intermediary angle design for flawless tube flaring Self Centering Feed Screw Handle is ergonomically designed for comfort and ease of operation Flare cone utilizes needle bearings for smooth off center rotation Works on Metric sizes 6mm, 8mm, 10mm, 12mm, 14mm, 16mm and 19mm