JMT Tube and Pipe Benders JMT offers a line of tube and pipe benders, currently available in two models. The JMT BM-65A can bend pipes up to a 1.5″ diameter and tubes up to 2″ diameter in most materials, while the JMT BM-70A can bend 2″ pipes, 2-1/2″ copper and annealed brass pipes and 2-3/8″ diameter…