General Pipe Cleaners GPC 1/2-in Auto Cut- Copper in the Pipe Cutters department at Lowes.com
Milwaukee 2471-20 M12 Cordless Lithium Ion 500 RPM Copper Pipe and Tubing Cutter Adjustable from 3/8" to 1†Diameters (Battery Not Included, Power Tool Only) - - Amazon.com