For tubes 1 1/4"-2" (32-51mm) I.D.
Flex-Hone Abrasive Tools are light pressure, soft application honing devices for cleaning straight, ferrous tubes. They consist of 180 grit silicon carbide abrasive globules (stones) bonded to high density nylon filaments. Order tool to correspond to tube I.D.
Note: Flex-Hone Abrasive Tools are normally used with a water flush for maximum life.