Specification range for round pipe: 5-325mm. Specification range for square pipe: F10*F10-F300*F300. 1. Roller and mould for round pipe, square pipe, shaped pipe, etc. 2. Precise with only 0.05mm tolerance. 3. With CNC machine. 1. Description: Roller and mould, welded pipe roller, stainless steel pipe mould for round/square/shaped tube.2. Pipe mould: steel tube, plum tube, flat tube, oval tube, ...