Milwaukee® 1-1/2 In. Constant Swing Copper Tubing Cutter, 1/8 In. to 1-5/8 In. Pipe Capacity. Milwaukee® constant swing copper tubing cutter is engineered for straighter, cleaner cuts. Four-roller design delivers accurate cuts and prevents walking. For added durability and extended performance, chrome rollers provide best in class rust protection. On-board reamer enables fast, easy deburring.