Constant Swing Tubing Cutter, 1 8 in to 1 1 8 in Cutting Cap, Steel Blade no checkout Virtually eliminates turbulence in the Virtually eliminates turbulence in the gas shielding stream as it emerges from the nozzle Long stable stream allows the electrode to be extended farther beyond the end of the nozzle for improved visibility of the weld zone Built in bumper reduces shock when blade is retracted Rounded case fits your hand for comfort Graduations printed in fractions and decimal equivalents Positive toggle lock holds blade securely at any length Durable ABS case withstands rugged use on the job site Features an enclosed feed screw to eliminate clogging and jamming no tool needed Spare cutter wheel included in the knob Made from high strength zinc alloy