The Duct Shop is a proud supplier of Tin Knocker Machinery - Quality Machinery at Affordable Prices.
Tin Knocker machinery is committed to providing the best, industrial quality sheet metal working machinery at the lowest possible price. They offer all the machines necessary for an HVAC contractor or general fabricator to produce rectangular duct, fittings or similar products. Tin Knocker has been in the marketplace since 1998, and is now well known for its availability (always in stock and ready to ship), reliability and value. We believe that every model in the line will compare favorably to or exceed the quality of any like machine in the marketplace. Compare the quality, compare the prices and you will conclude that Tin Knocker is the best value in sheet metal working machinery.