Mill-Rose 62110, 1" Copper Pipe/Tube Brush
Pipe/tube brush for standard copper pipe size (CTS/ID/Nominal), i.e. 1/2" brush for 1/2" copper pipe (has O.D. of 5/8"), or 3/4" brush for standard 3/4" copper pipe (has O.D. of 7/8"). A better alternative to cleaning with sand paper, mesh cloth or abrasive pads.