Recommended for removing soft deposits (mud, algae, etc.) in straight, ferrous and nonferrous tubes. Order brush to correspond to tube I.D. For tubes 1-1/4" (32mm) - 4" (101.6mm) I.D.

Note: TCB Brushes require a #TCB-C Coupling  to connect to GTC-720, GTC-721, GTC-721G and GTC-821 Flexible Shafts. (One coupling is supplied with each brush order.)