Irwin Tools manufactures and distributes professional-grade hand tools and power tool accessories worldwide for trade professionals who demand superior performance and durability on the job. For over a century， innovation has been the hallmark of Irwin Tools. Beginning in 1885， with the development of the first Irwin Auger Bit and progressing with the introduction of Vise-Grip Locking Tools， Speedbor Flat Bits， Marathon Saw Blades and Quick-Grip Bar Clamps， Irwin has been at the forefront of the industry， creating superior tools for the professional tradesman.