Manual Tube Cutters (Click for more Info) These tools have been designed for cutting bothferrous and non-ferrous tubes that are commonly found, in heat exchangers,boilers and condensers. Our standard tool is adjustable from 1”-6” (25 mm-155mm). Longer reach tools are available in 10” (254 mm) increments. The tool isdesigned to be used with a hand or ratchet wrench only. Impact wrenches shouldnever be used with these tools. The Cutting of the tube is based on theeccentric principle, where the cutter bit moves out to the tube wall as thecutter is rotated. Continued clockwise rotation will puncture and cut the tubein one revolution. Simply rotating the tool counterclockwise closes the bit andthe tool can be removed from the tube. Read More