The Milwaukee Reaming Pen provides easy deburring of aluminum, copper, PVC, brass and cast iron pipe tubing. The tool is constructed with an all-metal design for durability through demanding job site use. The blade is heat treated and black oxide coated for extended life. A slide-resistant clip allows easy storage in the user's pocket or tool bag for quick access. The Milwaukee 1 in. Constant Swing Copper Tubing Cutter is engineered for straighter, cleaner cuts. A 4 Roller Design delivers accurate cuts and prevents walking. For added durability and extended performance, Chrome Rollers provide best in class rust protection. Tool-free blade change allows easy blade replacement on the jobsite.