for Pittsburgh Locks puts an end to manual hammering. Just a couple of taps at the center and ends of standard length duct to secure, then the Dyna-Hammer does all of the work.
Radius fittings and straight line duct get powerfully knocked down at approximately 20 feet per minute on 14 to 30 gauge metal. Features an ergonomic, multi-stage trigger throttle, for better control during use. Included multi-directional air hose swivel prevents hose restriction during operation.