Ridgid Enclosed Feed Tubing Cutters Features an enclosed feed screw to eliminate clogging and jamming. X-CEL Knob cuts tubing more quickly and easily with a larger, more ergonomic design. X-CEL Wheel Pin changes your cutter wheel quickly using a new ball detent design, no tool needed. Grooved rollers for close-to-flare cuts. Spare cutter wheel included in the knob Pack of 1