1838952 Orbital Flare 3/16” - 3/4”, HVAC and Refrigeration Flaring Tool for Copper, Aluminum, Steel and Brass, Gray/Black. VERSATILE APPLICATIONS: Ideal for HVAC/R installation, maintenance, and repairs, our flare kit tool has the ability to swage tubing sizes ranging from 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4".