UNITSTONE PITTSBURGH LOCK MACHINE

We have more then 30 typies of Pittsburgh Lock machine available .
UNITSTONE LC-12DR and LC-12 have been wided used in the duct ventilation , which has 6 or 4 different functions ,can need the customer /s requirments. LC-12DR has the Pittsburgh Lock, Seam Cleat, Standing Seam ,Right Angle Seam, Driven Cleat, Round Angle .
They are light and easy to move .,suitable for site and factory useage.