Ridgid 31803 Model 65S Stainless Steel Quick-Acting tubing cutter for making quicker cuts to stainless steel and other metallic tubes such as steel, zinc, copper and aluminum. This tubing cutter features the X-CEL knob a larger ergonomic knob which gives the user a more firm grip allowing more force to be applied to cut through tubing faster and easier. With a spare wheel stored in the knob the X-CEL wheel pin allows for quick wheel changes with no tools required. Model 65S cutter can cut tubing with a wall thickness of up to 1/8" In. Tubing cutter's lightweight design quick-acting mechanism and spring quick return allows the cutter to adjust rapidly from 1/4-In. to 2-5/8-In. diameter tubing.