... machine 1. mechanical transmission reverse (gears) 2. threader speed:18-28RPM, 51RPM reverse 3.CSA (cus) certified pipe ... " Die Heads Included: 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"(Type 11R) ... than threading) pipe clamp-----------------------------------------------------------------adapter (for die head 1/2", 3/4", 1", 1-1/4")-----------------------------------------------------------------complete set ...