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. RIDGID 31632 Quick-Acting 151 Tube Cutter For Copper Std. Wheel E-3469. Capacity 6-42mm (1/4 - 1.7/8in). Weight 0.56kg.