Capacity：1/8~4"(3-120mm) in various models. Suitable for cutting copper tubes, thin-walled stainless steel tubes, thin-walled steel, aluminum, brass tubes. Sturdy telescopic spindlRobust, solid design for heavy-duty application. Sturdy telescopic spindle, long spindle guidance and 4 specially hardened back pressure rollers ensure exact alignment to the tube, easy in-feed, easy-cutting and precise, right-angle cut. Ergonomic, handy operating knob in metal for easy work and long service life. Cutter wheel protected against touching the back pressure rollers by in-feed limitation.