Craftsman is a tool manufacturing company owned by the Sears Holdings Corporation. They also manufacture lawn and garden equipment. Craftsman has been one of Sears's best known brands for over a decade. According to a survey conducted by Harris Interactive, Craftsman has been rated by men as the #1 brand in America for overall quality and in the consumers market it has been rated #2 in terms of quality. Since 1927, Craftsman has sold the highest number of striking tools. Sears has sold more than 725 million screwdrivers, 28 million adjustable wrenches, and nearly 85 million pairs of pliers through Craftsman. They market over 5000 products in 80 different tool and equipment categories. Daily, a million sockets are manufactured and over 30 million wrenches are sold each year. They are one of the leading sellers of lawn mowers and tractors in the US. Their line of lawn mowers is manufactured by a Swedish corporation called Electrolux. Their main categories in the tool manufacturing segment are storage chests and cabinets, tool sets, portable power tools, bench power tools, air tools, and home security and garage door openers. The raw materials and components used in Craftsman equipment all pass through a stringent quality test to ensure that only products of the highest quality reach store shelves. Craftsman aims to maintain very high standards of quality. This is evident in the fact that most of their products come with a lifetime warranty.