⭕ Tri Tool 550 Chipless Cutting System, this system gets you in to cut tubes out so that you can fix lines and systems quickly without taking everything apart. Simply cut out the section to be altered, repaired, etc and get up and running, no need to take out the whole thing plus it gets you into tight spaces. All of the pieces are in there in excellent condition including the case. Basically from .188 to 2.00 in tube diameter. Tested and in perfect working order.