TEKTON 64501 Mini Tubing Cutter, 1/8-Inch - 5/8-Inch O.D. Compact size is made for working in tight spaces Three-sided knob offers a sure, nonslip grip and precise tightening control Grooved rollers allow cuts close to flared ends Cuts copper, brass, aluminum, and thin-walled mild steel tubing Use for water supply lines, refrigeration and HVAC work, and automobile brake lines