
PLEASE CLICK THE FACTORY LITERATURE ATTACHED - This Lockformer Button Punch Snap Lock Flanger will allow you to roll single-direction curves down to a minimum radius of 3-1/2″ inside or a 5″ outside radius, almost automatically. These punched right-angle flanged curves fit perfectly in the receiver formed on 20-gauge or 24-gauge Snaplock Ductwork making it a real labor saver!
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