Product Description 511 3200 FLARING TOOL From the Manufacturer LDR 511 3200 7-In-1 Flaring Tool For Brass, Copper, Aluminum. 7-In-1 Flaring Tool easily flares copper, aluminum and brass tubing. For use with flaring tubing sizes 3/16", 1/4", 5/16", 3/8-Inch, 7/16", 1/2-Inch, and 5/8-Inch OD. With Prepares tubing for flare connection, Easily flares copper, aluminum and brass tubing, For use with flaring tubing sizes /16", 1/4", 5/16", 3/8-Inch, 7/16", 1/2-Inch, and 5/8-Inch OD, Heavy duty plated bar