Since 1945 Rockwell Manufacturing has made a name for itself with top-quality power tools and equipment. They revolutionized the tool world back in 1966 by inventing the world’s first motorized miter saw. Today their Sonicrafter line of products is popular worldwide as a highly flexible, rugged and dependable multi-use cordless tool. With both the professional contractor as well as the do-it-yourselfer in mind Rockwell has built their products with a purpose. Worried about replacing expensive batteries? Buy one of their hand-held battery powered tools, submit the warranty registrations for the purchased product and receive Lifetime Replacement Batteries.