Product Description Brought to you by the SUPERIOR TOOL company, this tube cutter features a compact design, making it ideal for use in close quarters. Made to last, it’s constructed from hardened alloy steel. Perfect for a variety of tasks, the cutter has a capacity of 1/8” to 1-1/8” O.D. From the Manufacturer 1-1/8" O.D. Mini Tubing Cutter. For cutting copper tubing in confined areas. Large knurled knob allows easy tighting.