11489 Titan 180 Degree Tubing Bender: Bend soft thin walled tubing like copper, brass and there are others, bends tubing sized up to 3/8" outside diameter. With a calibration gauge for smooth radius bends up to 180 degrees. Bends copper, brass and other thin walled tubing. Designed for 1/8", 3/16", 1/4" and 3/8" O. D. tubing