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January 3, 2018
Since 1894, when John W. Duntley had in mind the idea of sourcing and selling construction tools ‘that weren’t yet available’, Chicago Pneumatic has been bringing innovations and renowned tools to its customers. In 1939, our company designed and manufactured the world’s first impact wrench, with both pneumatic and electric versions. Today, we are more than ever offering high-end quality pneumatic and battery impact wrenches, all over the world.