Capacity：1/8~5/8"(3-16mm) & 1/8~1 1/8"(3-28mm in 2 models. Small, handy, specially for use in restricted areas. Suitable for cutting copper tubes, thin-walled stainless steel tubes, thin-walled steel, aluminum, brass tubes. Robust design and hardened back pressure rollers provide exact alignment to the tube and a long service life. Large operating knob in metal for easy in-feed and cutting. Cutter wheel protected against touching the back pressure rollers by in-feed limitation.