Features and Benefits: * Easy to use with one end connected - or can be mounted in a vise * Exclusive nylon form prevents kinking or flattening * For 3/16", 1/4", 5/16" and 3/8" O.D. tubing * Not recommended for 3/8" steel Lisles Tubing Bender bends 4 sizes, makes professional looking bends without kinks or collapsing the tube.