The ridgid 205 ratcheting enclosed feed tube cutter features an enclosed feed screw to eliminate clogging and jamming and is fitted with an x cel knob to cut tubing more quickly and easily the cutter is made from high strength zinc alloy and has a fold away reamer the grooved rollers allow for close to flare cuts and there is a spare cutter wheel included in the knob the x cel wheel pin allows you to change your cutter wheel quickly using the new ball detent design no tool needed and no lost cli