Tube roll set for tube making machine. die set,pipe roll set. Roller and mould, welded pipe roller, stainless steel pipe mould for round/square/ ... Roller and mould for round pipe, square pipe, shaped pipe, etc. 2. Precise with only 0.05mm tolerance. 3. With CNC machine ... frame, special-shaped mould, etc.3. Specification range for round pipe: 5-325mm.4. Specification range for square pipe: F10*F10-F300* ...