Feature:1. Pipe Crimper: Powered by impact force, the duct crimper is highly efficient and easy to control, could easy, safe and efficient crimping of round metal ducts.2. For Duct Swaging: Can be used for air duct crimping, the impact assist crimper can crimp the wall of round metal air duct into a serrated shape for crimping.3. Reliable Working: Used for air conditioning installation, open the metal pipe and connect the two pipes to each other.4. Durable Construction: Adopting premium stainless steel material, the metal duct crimping tool has a sturdy structure, durable for long use.5. Easy to Operate: Universal hex shank ensures wide compatibility, which will also facilitate working stability and installation.Specification:Item Type: Impact Power Assisted CrimperMaterial: Stainless steel.Application:Could crimp 30-24 ga. (0.41-0.71 mm) round metal ductPackage List:1 xImpact Power Assisted CrimperNote:Powered by shock drives, simply clip the 1/4in power groove drive shaft onto your cordless or wired (minimum 12 VDC, maximum 7 amp AC) impact drive and immediately begin crimping pipes and pipes of all sizes, types and thicknesses, including spiral pipes, quickly and easily