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Sioux Pneumatic Right Angle Air Drills by Snap-On have been designed and manufactured in the USA for over 100 years. Sioux passionately serves the manufacturing and service industries with world-class pneumatic power tools made in Murphy, NC. From raw materials to final assembly, the Murphy facility manufactures pneumatic drills, screwdrivers, impacts, grinders, sanders and many specialty tools. This is the same award-winning facility that makes many Snap-on Power Tools.