The ridgid constant swing tube cutter features an enclosed feed screw to eliminate clogging and jamming grooved rollers for close to flare cuts and a fold away reamer it has an x cel knob that cuts tubing more quickly and easily with the larger more ergonomic design whilst the x cel wheel pin helps to change your cutter wheel quickly using the new ball detent design no tool needed and no lost clips it is made from high strength zinc alloy and there is a spare cutter wheel included in the knob it