Used for joining sheet metal at right angles on straight runs. This is a more sophisticated joint than the Pittsburgh lock, requiring less labour, The male section snaps tightly into the female with an almost unbreakable joint. The machine is capable of forming a maximum of 20 swg (1.00 mm).

Used for joining sheet metal at right angles on straight runs. This is a more sophisticated joint than the Pittsburgh lock, requiring less labour, The male section snaps tightly into the female with an almost unbreakable joint. The machine is capable of forming a maximum of 20 swg (1.00 mm).