Technical Parameters Model SF6020T Tube Length 20-320mm Laser Power - 1 kw -4 kw Repeated Positioning Accuracy �±0.03mm/m Automatic metal tube laser cutter is used for cutting round tube, square tube, rectangular tube and other metal tube. Widely used in rail transit, automotive, construction machinery, agriculture and forestry machinery, electrical manufacturing, elevator manufacturing, household appliances and other machinery manufacturing and processing industries.