Powerbuilt is the premier tool and equipment brand marketed by Alltrade Inc for the American and world-wide market. The Powerbuilt product line has been painstakingly developed and refined by Alltrade's R & D Special product development teams, to ensure each and every product meets or exceeds The American National Standards Institute (ANSI) Standard. ANSI is considered to be the governing standards for hand tool fit, finish and performance in the United States market. Powerbuilt hand tools are trusted and used by millions of serious D.I.Y, Trade and Industrial people all around the world everyday.One day, you'll need one of these unique screwdrivers. The offset screwdrivers will fit in spaces too tight for any other type of driver, while the precision screwdrivers will turn the tiny screws that hold eyeglasses together and keep battery covers on.