Locking Machine Tube locking machine and pittsburgh lock machine Lock machine is the most widely used machine in producing ducts. It boasts a variety of distinctive features, meeting buyers' requirements by replacing rollers. It is light and easy to move. It is suitable for on-site use.LA2C: Thickness of plate: 0.3-1.0cm Motor: 1.1kW Weight: 167kg Dimensions: 780 x 500 x 920mm LD4C: Thickness of plate: 0.5-1.2cm Motor: 2.2kW Weight: 318kg Dimensions: 1,120 x 550 x 980mm LB2C: Thickness of plate: 0.8-1.5cm Motor: 2.2kW Weight: 344kg Dimensions: 1,210 x 550 x 980mm