RIDGID® Tube Cutter, Constant Swing, Series: 150, 1/8 to 1-1/8 in Nominal Capacity, Machined Steel Blade, 4-7/8 in Overall Length, Aluminum Body, Ergonomic Handle, Aluminum Handle, Applicable Materials: Aluminum, Brass and Copper, Gray - Models 150 and 150-L still provide best-in-class cutting accuracy and cutter wheel life, a constant swing radius design that makes them useful in tight space applications and an enclosed feed screw to prevent clogging or jamming. In addition, a spare cutter wheel is still included in the knob for maximum uptime, and a fold-away reamer is stored in the frame for proper tube preparation.