The RIDGID Quick-Acting Tube Cutters for Copper feature a quick-acting design, I-beam construction, hardened wear surfaces and thrust bearing slide assemblies for smooth operation. The X-CEL Knob cuts tubing more quickly and easily with the larger, more ergonomic design and the X-CEL wheel pin makes changing the cutter wheel quicker using the new ball detent design, with no tools needed and no lost clips. Also available in models for plastic pipe.