Mini Tube Cutter From 1/8" to 5/8" O.d. Tubing, for Copper, Aluminum, Etc. Used in Hvac, Refrigeration, and Mechanics Cutting cooper and aluminum tubing from 1/8" to 5/8" Outside Diameter Tube cutter stays the same length for use in restricted area Smooth grove in rollers can stabilize damaged flares and cut easily. Special 65 Mn material blade, Cut tubing more sharp and accurate with a space cutting blade.