Robinair 42024 Mini-Tubing Cutter Smallest cutting radius in the industry allows this cutter to make quick work of cutting tubing in the tightest spots possible Designed with a finer thread screw to facilitate smoother, easier tightening Cleanly cuts tubing from as small as 1/8 inch OD all the way up to 5/8 inch OD Easily cuts copper, brass, aluminum, and steel tubing - perfect for automotive, household, and commercial hard lines Replaceable cutter blades are made from high quality, shock-resistant, tool steel with heat treating to resist breakage and last longer Robinair 42024Mini-Tubing Cutter Robinair Mini-Tubing Cutter with the smallest cutting radius in the industry and is ideal for extremely tight places. A finer thread screw provides easier tightening. Used for 1/8 inch to 5/8 inch O.D. tubing. With the smallest cutting radius in the industry and is ideal for extremely tight places A finer thread screw provides easier tightening For 1/8 inch to 5/8 inch O.D. tubing.