Not_applicable Made in USA X-cel knob for cutting tubing more quickly and easily with a larger, more ergonomic design Quick-acting design, I-beam construction and hardened wear surfaces for superior durability. Thrust-bearing slide assemblies for smooth operation Features a convenient fold-away reamer to clean and insure a better connection X-cel wheel Pin with ball detent designs Allows you to change the cutter wheel quickly with no tool needed and no lost clips Tubing cutter has a 1/4-inch to 2-5/8-Inch (6 mm to 66 mm) cutting capacity