National Sheet Metal Machine Inc. is a family owned business in Smartt, Tennessee. They have been in business for 36 years as the number one shear and brake manufacturer in North America. Developing and manufacturing the most dependable products on the market has been our goal since 1977. Since we began with one machine, the U4816 hand brake, National has grown to produce a line of thirty quality machines. Our customers can rely on our machines to be of superior quality that is unprecedented in today's market. We have replacement parts in stock to minimize your company's down time. Our qualified staff is always there to assist you. We have a network of distributors and manufacturer's reps across the USA that are readily available in your area. All products at National meet strict company and OSHA standards. National Sheet Metal Machines offer a 3 year warranty and are built in the U.S.A.