The C5A2 impact power assisted crimper is specifically designed to work with impact drive technology's power assistance. And this C5A2 turbo impact power assisted crimper is designed to work with a minimum 12-volt dc cordless or maximum 7 amp ac corded impact driver equipped with a quick release 1/4 inch hex chuck. The C5A2 turbo impact power assisted crimper is a simple effective design that increases speed and ease of crimping which is compact, easy to maneuver, and balanced. And our C5A2 impact power assisted crimper is 5 times faster than a manual sheet metal crimper. mpact power assisted crimper is a simple, compact accessory that works exclusively with the power assistance of impact driver technology to safely and efficiently crimp 30 to 24 gauge (0.41 to o. 71 mm) galvanized round duct and (0.31 to 0.61 mm) black stove pipe. The Best C5A2 Impact Power Assisted Crimper - Our C5A2 turbo impact power assisted crimper adopting features a solid block construction, hardened steel drive shaft, and smooth working mechanism which has a sturdy structure, for long use and tested for quality and features., Weight: 1.653466965 pounds, Manufacturer: UieoKakeh