CO-Z 7 Level Professional Aluminum Copper Tube Expander Tool Full Set with Tube Cutter & Deburring Tool, 3/8" to 1-1/8" Made of durable hardened steel. Easily Swage on the job. Suitable for create soft copper and aluminum joints for plumbing use Comes with seven dies ranging from 3/8" to 1 1/8" O.D. for different sized tubes. Salvage shorts and scraps to make couplings Features long handle with cushioned grips for comfortable leverage while operation Includes a deburring tool for cleaning the interior and exterior of tubing Plastic molded carrying case for neat storage