Specifically designed for use in restricted spaces on small diameter, hard and soft copper, aluminum, brass and plastic tubing. Rollers include grooves for close-to-flare cuts. Strong, lightweight slide and wheel housing, and large knurled feed screw knob give easy control of cutting pressure for clean cuts. Models 117 and 118 include a self-feeding cutter wheel that automatically cuts after tightening the knob only once (AUTOFEED®). The Model 118 features a special knob for easier tightening of the feedscrew. Model 101-ML is for multilayer tubing only.